The factors of the number 151,443,684 are: 1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 23, 28, 29, 34, 36, 42, 46, 51, 53, 58, 63, 68, 69, 84, 87, 92, 102, 106, 116, 119, 126, 138, 153, 159, 161, 174, 203, 204, 207, 212, 238, 252, 261, 276, 306, 318, 322, 348, 357, 371, 391, 406, 414, 476, 477, 483, 493, 522, 609, 612, 636, 644, 667, 714, 742, 782, 812, 828, 901, 954, 966, 986, 1044, 1071, 1113, 1173, 1218, 1219, 1334, 1428, 1449, 1479, 1484, 1537, 1564, 1802, 1827, 1908, 1932, 1972, 2001, 2142, 2226, 2346, 2436, 2438, 2668, 2703, 2737, 2898, 2958, 3074, 3339, 3451, 3519, 3604, 3654, 3657, 4002, 4284, 4437, 4452, 4611, 4669, 4692, 4876, 5406, 5474, 5796, 5916, 6003, 6148, 6307, 6678, 6902, 7038, 7308, 7314, 8004, 8109, 8211, 8533, 8874, 9222, 9338, 10353, 10759, 10812, 10948, 10971, 11339, 12006, 12614, 13356, 13804, 13833, 14007, 14076, 14628, 16218, 16422, 17066, 17748, 18444, 18676, 18921, 20706, 20723, 21518, 21942, 22678, 24012, 24633, 25228, 25599, 26129, 27666, 28014, 31059, 32277, 32436, 32844, 34017, 34132, 35351, 37842, 41412, 41446, 42021, 43036, 43884, 45356, 49266, 51198, 52258, 55332, 56028, 56763, 62118, 62169, 64554, 68034, 70702, 75684, 76797, 78387, 79373, 82892, 84042, 96831, 98532, 102051, 102396, 104516, 106053, 113526, 124236, 124338, 129108, 136068, 141404, 145061, 153594, 156774, 158746, 168084, 182903, 186507, 193662, 204102, 212106, 227052, 235161, 238119, 247457, 248676, 290122, 307188, 313548, 317492, 318159, 365806, 373014, 387324, 408204, 424212, 435183, 470322, 476238, 494914, 548709, 580244, 600967, 636318, 714357, 731612, 742371, 746028, 870366, 940644, 952476, 989828, 1097418, 1201934, 1272636, 1305549, 1428714, 1484742, 1646127, 1740732, 1802901, 2194836, 2227113, 2403868, 2611098, 2857428, 2969484, 3292254, 3605802, 4206769, 4454226, 5222196, 5408703, 6584508, 7211604, 8413538, 8908452, 10817406, 12620307, 16827076, 21634812, 25240614, 37860921, 50481228, 75721842, 151443684.
If you add them up, you will get the total of 509,483,520.