The factors of the number 536,651,640 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 47, 56, 60, 63, 69, 70, 72, 84, 90, 92, 94, 105, 115, 120, 126, 138, 140, 141, 161, 168, 180, 184, 188, 197, 207, 210, 230, 235, 252, 276, 280, 282, 315, 322, 329, 345, 360, 376, 394, 414, 420, 423, 460, 470, 483, 504, 552, 564, 591, 630, 644, 658, 690, 705, 788, 805, 828, 840, 846, 920, 940, 966, 985, 987, 1035, 1081, 1128, 1182, 1260, 1288, 1316, 1379, 1380, 1410, 1449, 1576, 1610, 1645, 1656, 1692, 1773, 1880, 1932, 1970, 1974, 2070, 2115, 2162, 2364, 2415, 2520, 2632, 2758, 2760, 2820, 2898, 2955, 2961, 3220, 3243, 3290, 3384, 3546, 3864, 3940, 3948, 4137, 4140, 4230, 4324, 4531, 4728, 4830, 4935, 5405, 5516, 5640, 5796, 5910, 5922, 6440, 6486, 6580, 6895, 7092, 7245, 7567, 7880, 7896, 8274, 8280, 8460, 8648, 8865, 9062, 9259, 9660, 9729, 9870, 10810, 11032, 11592, 11820, 11844, 12411, 12972, 13160, 13593, 13790, 14184, 14490, 14805, 15134, 16215, 16548, 16920, 17730, 18124, 18518, 19320, 19458, 19740, 20685, 21620, 22655, 22701, 23640, 23688, 24822, 25944, 27186, 27580, 27777, 28980, 29610, 30268, 31717, 32430, 33096, 35460, 36248, 37036, 37835, 38916, 39480, 40779, 41370, 43240, 45310, 45402, 46295, 48645, 49644, 54372, 55160, 55554, 57960, 59220, 60536, 62055, 63434, 64813, 64860, 67965, 68103, 70920, 74072, 75670, 77832, 81558, 82740, 83331, 90620, 90804, 92590, 95151, 97290, 99288, 108744, 111108, 113505, 118440, 124110, 126868, 129626, 129720, 135930, 136206, 138885, 151340, 158585, 163116, 165480, 166662, 181240, 181608, 185180, 190302, 194439, 194580, 203895, 212957, 222216, 227010, 248220, 253736, 259252, 271860, 272412, 277770, 285453, 302680, 317170, 324065, 326232, 333324, 340515, 370360, 380604, 388878, 389160, 407790, 416655, 425914, 454020, 475755, 496440, 518504, 543720, 544824, 555540, 570906, 583317, 634340, 638871, 648130, 666648, 681030, 761208, 777756, 815580, 833310, 851828, 908040, 951510, 972195, 1064785, 1111080, 1141812, 1166634, 1268680, 1277742, 1296260, 1362060, 1427265, 1490699, 1555512, 1631160, 1666620, 1703656, 1903020, 1916613, 1944390, 2129570, 2283624, 2333268, 2555484, 2592520, 2724120, 2854530, 2916585, 2981398, 3194355, 3333240, 3806040, 3833226, 3888780, 4259140, 4472097, 4666536, 5110968, 5709060, 5833170, 5962796, 6388710, 7453495, 7666452, 7777560, 8518280, 8944194, 9583065, 11418120, 11666340, 11925592, 12777420, 13416291, 14906990, 15332904, 17888388, 19166130, 22360485, 23332680, 25554840, 26832582, 29813980, 35776776, 38332260, 44720970, 53665164, 59627960, 67081455, 76664520, 89441940, 107330328, 134162910, 178883880, 268325820, 536651640.
If you add them up, you will get the total of 536,651,641. Now subtract 536,651,640 to get 1,598,326,920