31196750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 65257920

約数和(自身を除く): 34061170

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 125, 130, 145, 250, 290, 325, 331, 377, 650, 662, 725, 754, 1450, 1625, 1655, 1885, 3250, 3310, 3625, 3770, 4303, 7250, 8275, 8606, 9425, 9599, 16550, 18850, 19198, 21515, 41375, 43030, 47125, 47995, 82750, 94250, 95990, 107575, 124787, 215150, 239975, 249574, 479950, 537875, 623935, 1075750, 1199875, 1247870, 2399750, 3119675, 6239350, 15598375, 31196750]

約数ペア:

[(1, 31196750), (2, 15598375), (5, 6239350), (10, 3119675), (13, 2399750), (25, 1247870), (26, 1199875), (29, 1075750), (50, 623935), (58, 537875), (65, 479950), (125, 249574), (130, 239975), (145, 215150), (250, 124787), (290, 107575), (325, 95990), (331, 94250), (377, 82750), (650, 47995), (662, 47125), (725, 43030), (754, 41375), (1450, 21515), (1625, 19198), (1655, 18850), (1885, 16550), (3250, 9599), (3310, 9425), (3625, 8606), (3770, 8275), (4303, 7250)]