The factors of the number 500,250,500 are: 1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 229, 250, 257, 340, 425, 458, 500, 514, 850, 916, 1028, 1145, 1285, 1700, 2125, 2290, 2570, 3893, 4250, 4369, 4580, 5140, 5725, 6425, 7786, 8500, 8738, 11450, 12850, 15572, 17476, 19465, 21845, 22900, 25700, 28625, 32125, 38930, 43690, 57250, 58853, 64250, 77860, 87380, 97325, 109225, 114500, 117706, 128500, 194650, 218450, 235412, 294265, 389300, 436900, 486625, 546125, 588530, 973250, 1000501, 1092250, 1177060, 1471325, 1946500, 2001002, 2184500, 2942650, 4002004, 5002505, 5885300, 7356625, 10005010, 14713250, 20010020, 25012525, 29426500, 50025050, 100050100, 125062625, 250125250, 500250500.
If you add them up, you will get the total of 500,251,166. Now subtract 500,250,500 to get 666,136,540