The factors of the number 312,705,666 are: 1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 29, 39, 42, 58, 63, 78, 87, 91, 117, 126, 174, 182, 203, 227, 234, 261, 273, 377, 406, 454, 522, 546, 609, 681, 754, 819, 841, 1131, 1218, 1362, 1589, 1638, 1682, 1827, 2043, 2262, 2523, 2639, 2951, 3178, 3393, 3654, 4086, 4767, 5046, 5278, 5887, 5902, 6583, 6786, 7569, 7917, 8853, 9534, 10933, 11774, 13166, 14301, 15138, 15834, 17661, 17706, 19749, 20657, 21866, 23751, 26559, 28602, 32799, 35322, 39498, 41314, 46081, 47502, 52983, 53118, 59247, 61971, 65598, 76531, 85579, 92162, 98397, 105966, 118494, 123942, 138243, 153062, 171158, 185913, 190907, 196794, 229593, 256737, 276486, 371826, 381814, 414729, 459186, 513474, 572721, 599053, 688779, 770211, 829458, 1145442, 1198106, 1336349, 1377558, 1540422, 1718163, 1797159, 2481791, 2672698, 3436326, 3594318, 4009047, 4963582, 5391477, 7445373, 8018094, 10782954, 12027141, 14890746, 17372537, 22336119, 24054282, 34745074, 44672238, 52117611, 104235222, 156352833, 312705666.
If you add them up, you will get the total of 867,432,384.