The factors of the number 620,436,726 are: 1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 49, 51, 54, 63, 78, 91, 98, 102, 117, 119, 126, 147, 153, 182, 189, 221, 234, 238, 273, 294, 306, 351, 357, 378, 441, 442, 459, 546, 637, 663, 702, 714, 819, 833, 882, 918, 1061, 1071, 1274, 1323, 1326, 1547, 1638, 1666, 1911, 1989, 2122, 2142, 2457, 2499, 2646, 3094, 3183, 3213, 3822, 3978, 4641, 4914, 4998, 5733, 5967, 6366, 6426, 7427, 7497, 9282, 9549, 10829, 11466, 11934, 13793, 13923, 14854, 14994, 17199, 18037, 19098, 21658, 22281, 22491, 27586, 27846, 28647, 32487, 34398, 36074, 41379, 41769, 44562, 44982, 51989, 54111, 57294, 64974, 66843, 82758, 83538, 96551, 97461, 103978, 108222, 124137, 126259, 133686, 155967, 162333, 193102, 194922, 200529, 234481, 248274, 252518, 289653, 292383, 311934, 324666, 372411, 378777, 401058, 467901, 468962, 486999, 579306, 584766, 675857, 703443, 744822, 757554, 868959, 883813, 935802, 973998, 1136331, 1351714, 1403703, 1406886, 1641367, 1737918, 1767626, 2027571, 2110329, 2272662, 2606877, 2651439, 2807406, 3282734, 3408993, 4055142, 4220658, 4924101, 5213754, 5302878, 6082713, 6330987, 6817986, 7954317, 9848202, 11489569, 12165426, 12661974, 14772303, 15908634, 18248139, 22979138, 23862951, 29544606, 34468707, 36496278, 44316909, 47725902, 68937414, 88633818, 103406121, 206812242, 310218363, 620436726.
If you add them up, you will get the total of 620,436,727. Now subtract 620,436,726 to get 1,210,111,434