The factors of the number 535,178,280 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 49009, 98018, 147027, 196036, 245045, 294054, 343063, 392072, 490090, 588108, 637117, 686126, 735135, 980180, 1029189, 1176216, 1274234, 1372252, 1470270, 1715315, 1911351, 1960360, 2058378, 2548468, 2744504, 2940540, 3185585, 3430630, 3822702, 4116756, 4459819, 5096936, 5145945, 5881080, 6371170, 6861260, 7645404, 8233512, 8919638, 9556755, 10291890, 12742340, 13379457, 13722520, 15290808, 17839276, 19113510, 20583780, 22299095, 25484680, 26758914, 35678552, 38227020, 41167560, 44598190, 53517828, 66897285, 76454040, 89196380, 107035656, 133794570, 178392760, 267589140, 535178280.
If you add them up, you will get the total of 1,976,083,200.