The factors of the number 531,274,548 are: 1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 29, 34, 42, 51, 58, 68, 84, 87, 102, 116, 119, 174, 203, 204, 238, 348, 357, 406, 476, 493, 609, 714, 812, 986, 1218, 1428, 1479, 1972, 2436, 2958, 3451, 5916, 6902, 10353, 12829, 13804, 20706, 25658, 38487, 41412, 51316, 76974, 89803, 153948, 179606, 218093, 269409, 359212, 372041, 436186, 538818, 654279, 744082, 872372, 1077636, 1116123, 1308558, 1488164, 1526651, 2232246, 2604287, 2617116, 3053302, 4464492, 4579953, 5208574, 6106604, 6324697, 7812861, 9159906, 10417148, 12649394, 15625722, 18319812, 18974091, 25298788, 31251444, 37948182, 44272879, 75896364, 88545758, 132818637, 177091516, 265637274, 531274548.
If you add them up, you will get the total of 1,551,916,800.