The factors of the number 450,466,425 are: 1, 3, 5, 9, 15, 17, 25, 29, 31, 45, 51, 75, 85, 87, 93, 131, 145, 153, 155, 225, 255, 261, 279, 393, 425, 435, 465, 493, 527, 655, 725, 765, 775, 899, 1179, 1275, 1305, 1395, 1479, 1581, 1965, 2175, 2227, 2325, 2465, 2635, 2697, 3275, 3799, 3825, 4061, 4437, 4495, 4743, 5895, 6525, 6681, 6975, 7395, 7905, 8091, 9825, 11135, 11397, 12183, 12325, 13175, 13485, 15283, 18995, 20043, 20305, 22185, 22475, 23715, 29475, 33405, 34191, 36549, 36975, 39525, 40455, 45849, 55675, 56985, 60915, 64583, 67425, 69037, 76415, 94975, 100215, 101525, 110925, 117769, 118575, 137547, 167025, 170955, 182745, 193749, 202275, 207111, 229245, 284925, 304575, 322915, 345185, 353307, 382075, 501075, 581247, 588845, 621333, 687735, 854775, 913725, 968745, 1035555, 1059921, 1146225, 1614575, 1725925, 1766535, 2002073, 2906235, 2944225, 3106665, 3438675, 4843725, 5177775, 5299605, 6006219, 8832675, 10010365, 14531175, 15533325, 18018657, 26498025, 30031095, 50051825, 90093285, 150155475, 450466425.
If you add them up, you will get the total of 919,226,880.