The factors of the number 261,571,050 are: 1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 61, 65, 75, 78, 90, 117, 122, 130, 150, 183, 195, 225, 234, 305, 325, 366, 390, 450, 549, 585, 610, 650, 733, 793, 915, 975, 1098, 1170, 1466, 1525, 1586, 1830, 1950, 2199, 2379, 2745, 2925, 3050, 3665, 3965, 4398, 4575, 4758, 5490, 5850, 6597, 7137, 7330, 7930, 9150, 9529, 10995, 11895, 13194, 13725, 14274, 18325, 19058, 19825, 21990, 23790, 27450, 28587, 32985, 35685, 36650, 39650, 44713, 47645, 54975, 57174, 59475, 65970, 71370, 85761, 89426, 95290, 109950, 118950, 134139, 142935, 164925, 171522, 178425, 223565, 238225, 268278, 285870, 329850, 356850, 402417, 428805, 447130, 476450, 581269, 670695, 714675, 804834, 857610, 1117825, 1162538, 1341390, 1429350, 1743807, 2012085, 2144025, 2235650, 2906345, 3353475, 3487614, 4024170, 4288050, 5231421, 5812690, 6706950, 8719035, 10060425, 10462842, 14531725, 17438070, 20120850, 26157105, 29063450, 43595175, 52314210, 87190350, 130785525, 261571050.
If you add them up, you will get the total of 261,571,558. Now subtract 261,571,050 to get 508,697,358