The factors of the number 423,322,536 are: 1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 239, 273, 312, 364, 478, 546, 717, 728, 811, 956, 1092, 1434, 1622, 1673, 1912, 2184, 2433, 2868, 3107, 3244, 3346, 4866, 5019, 5677, 5736, 6214, 6488, 6692, 9321, 9732, 10038, 10543, 11354, 12428, 13384, 17031, 18642, 19464, 20076, 21086, 21749, 22708, 24856, 31629, 34062, 37284, 40152, 42172, 43498, 45416, 63258, 65247, 68124, 73801, 74568, 84344, 86996, 126516, 130494, 136248, 147602, 173992, 193829, 221403, 253032, 260988, 295204, 387658, 442806, 521976, 581487, 590408, 775316, 885612, 1162974, 1356803, 1550632, 1771224, 2325948, 2519777, 2713606, 4070409, 4651896, 5039554, 5427212, 7559331, 8140818, 10079108, 10854424, 15118662, 16281636, 17638439, 20158216, 30237324, 32563272, 35276878, 52915317, 60474648, 70553756, 105830634, 141107512, 211661268, 423322536.
If you add them up, you will get the total of 1,309,593,600.