The factors of the number 340,933,840 are: 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 151, 167, 169, 208, 260, 302, 334, 338, 520, 604, 668, 676, 755, 835, 845, 1040, 1208, 1336, 1352, 1510, 1670, 1690, 1963, 2171, 2416, 2672, 2704, 3020, 3340, 3380, 3926, 4342, 6040, 6680, 6760, 7852, 8684, 9815, 10855, 12080, 13360, 13520, 15704, 17368, 19630, 21710, 25217, 25519, 28223, 31408, 34736, 39260, 43420, 50434, 51038, 56446, 78520, 86840, 100868, 102076, 112892, 126085, 127595, 141115, 157040, 173680, 201736, 204152, 225784, 252170, 255190, 282230, 327821, 403472, 408304, 451568, 504340, 510380, 564460, 655642, 1008680, 1020760, 1128920, 1311284, 1639105, 2017360, 2041520, 2257840, 2622568, 3278210, 4261673, 5245136, 6556420, 8523346, 13112840, 17046692, 21308365, 26225680, 34093384, 42616730, 68186768, 85233460, 170466920, 340933840.
If you add them up, you will get the total of 340,934,368. Now subtract 340,933,840 to get 528,260,528