The factors of the number 354,455,400 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 29, 30, 39, 40, 50, 52, 58, 60, 65, 75, 78, 87, 100, 104, 116, 120, 130, 145, 150, 156, 174, 195, 200, 232, 260, 290, 300, 312, 325, 348, 377, 390, 435, 520, 580, 600, 650, 696, 725, 754, 780, 870, 975, 1131, 1160, 1300, 1450, 1508, 1560, 1567, 1740, 1885, 1950, 2175, 2262, 2600, 2900, 3016, 3134, 3480, 3770, 3900, 4350, 4524, 4701, 5655, 5800, 6268, 7540, 7800, 7835, 8700, 9048, 9402, 9425, 11310, 12536, 15080, 15670, 17400, 18804, 18850, 20371, 22620, 23505, 28275, 31340, 37608, 37700, 39175, 40742, 45240, 45443, 47010, 56550, 61113, 62680, 75400, 78350, 81484, 90886, 94020, 101855, 113100, 117525, 122226, 136329, 156700, 162968, 181772, 188040, 203710, 226200, 227215, 235050, 244452, 272658, 305565, 313400, 363544, 407420, 454430, 470100, 488904, 509275, 545316, 590759, 611130, 681645, 814840, 908860, 940200, 1018550, 1090632, 1136075, 1181518, 1222260, 1363290, 1527825, 1772277, 1817720, 2037100, 2272150, 2363036, 2444520, 2726580, 2953795, 3055650, 3408225, 3544554, 4074200, 4544300, 4726072, 5453160, 5907590, 6111300, 6816450, 7089108, 8861385, 9088600, 11815180, 12222600, 13632900, 14178216, 14768975, 17722770, 23630360, 27265800, 29537950, 35445540, 44306925, 59075900, 70891080, 88613850, 118151800, 177227700, 354455400.
If you add them up, you will get the total of 1,224,921,600.