28122750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 78848640

約数和(自身を除く): 50725890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 58, 75, 87, 90, 125, 145, 150, 174, 225, 250, 261, 290, 375, 431, 435, 450, 522, 725, 750, 862, 870, 1125, 1293, 1305, 1450, 2155, 2175, 2250, 2586, 2610, 3625, 3879, 4310, 4350, 6465, 6525, 7250, 7758, 10775, 10875, 12499, 12930, 13050, 19395, 21550, 21750, 24998, 32325, 32625, 37497, 38790, 53875, 62495, 64650, 65250, 74994, 96975, 107750, 112491, 124990, 161625, 187485, 193950, 224982, 312475, 323250, 374970, 484875, 562455, 624950, 937425, 969750, 1124910, 1562375, 1874850, 2812275, 3124750, 4687125, 5624550, 9374250, 14061375, 28122750]

約数ペア:

[(1, 28122750), (2, 14061375), (3, 9374250), (5, 5624550), (6, 4687125), (9, 3124750), (10, 2812275), (15, 1874850), (18, 1562375), (25, 1124910), (29, 969750), (30, 937425), (45, 624950), (50, 562455), (58, 484875), (75, 374970), (87, 323250), (90, 312475), (125, 224982), (145, 193950), (150, 187485), (174, 161625), (225, 124990), (250, 112491), (261, 107750), (290, 96975), (375, 74994), (431, 65250), (435, 64650), (450, 62495), (522, 53875), (725, 38790), (750, 37497), (862, 32625), (870, 32325), (1125, 24998), (1293, 21750), (1305, 21550), (1450, 19395), (2155, 13050), (2175, 12930), (2250, 12499), (2586, 10875), (2610, 10775), (3625, 7758), (3879, 7250), (4310, 6525), (4350, 6465)]