The factors of the number 351,172,640 are: 1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 89, 91, 104, 112, 130, 140, 160, 178, 182, 208, 224, 260, 271, 280, 356, 364, 416, 445, 455, 520, 542, 560, 623, 712, 728, 890, 910, 1040, 1084, 1120, 1157, 1246, 1355, 1424, 1456, 1780, 1820, 1897, 2080, 2168, 2314, 2492, 2710, 2848, 2912, 3115, 3523, 3560, 3640, 3794, 4336, 4628, 4984, 5420, 5785, 6230, 7046, 7120, 7280, 7588, 8099, 8672, 9256, 9485, 9968, 10840, 11570, 12460, 14092, 14240, 14560, 15176, 16198, 17615, 18512, 18970, 19936, 21680, 23140, 24119, 24661, 24920, 28184, 30352, 32396, 35230, 37024, 37940, 40495, 43360, 46280, 48238, 49322, 49840, 56368, 60704, 64792, 70460, 75880, 80990, 92560, 96476, 98644, 99680, 112736, 120595, 123305, 129584, 140920, 151760, 161980, 168833, 185120, 192952, 197288, 241190, 246610, 259168, 281840, 303520, 313547, 323960, 337666, 385904, 394576, 482380, 493220, 563680, 627094, 647920, 675332, 771808, 789152, 844165, 964760, 986440, 1254188, 1295840, 1350664, 1567735, 1688330, 1929520, 1972880, 2194829, 2508376, 2701328, 3135470, 3376660, 3859040, 3945760, 4389658, 5016752, 5402656, 6270940, 6753320, 8779316, 10033504, 10974145, 12541880, 13506640, 17558632, 21948290, 25083760, 27013280, 35117264, 43896580, 50167520, 70234528, 87793160, 175586320, 351172640.
If you add them up, you will get the total of 351,173,325. Now subtract 351,172,640 to get 685,212,640