1999804625

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 96

約数和(自身を含む): 3248534016

約数和(自身を除く): 1248729391

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 125, 133, 175, 247, 325, 361, 455, 475, 487, 665, 875, 1235, 1625, 1729, 1805, 2275, 2375, 2435, 2527, 3325, 3409, 4693, 6175, 6331, 8645, 9025, 9253, 11375, 12175, 12635, 16625, 17045, 23465, 30875, 31655, 32851, 43225, 44317, 45125, 46265, 60875, 63175, 64771, 85225, 117325, 120289, 158275, 164255, 175807, 216125, 221585, 231325, 315875, 323855, 426125, 586625, 601445, 791375, 821275, 842023, 879035, 1107925, 1156625, 1230649, 1619275, 2285491, 3007225, 4106375, 4210115, 4395175, 5539625, 6153245, 8096375, 11427455, 15036125, 15998437, 21050575, 21975875, 30766225, 57137275, 79992185, 105252875, 153831125, 285686375, 399960925, 1999804625]

約数ペア:

[(1, 1999804625), (5, 399960925), (7, 285686375), (13, 153831125), (19, 105252875), (25, 79992185), (35, 57137275), (65, 30766225), (91, 21975875), (95, 21050575), (125, 15998437), (133, 15036125), (175, 11427455), (247, 8096375), (325, 6153245), (361, 5539625), (455, 4395175), (475, 4210115), (487, 4106375), (665, 3007225), (875, 2285491), (1235, 1619275), (1625, 1230649), (1729, 1156625), (1805, 1107925), (2275, 879035), (2375, 842023), (2435, 821275), (2527, 791375), (3325, 601445), (3409, 586625), (4693, 426125), (6175, 323855), (6331, 315875), (8645, 231325), (9025, 221585), (9253, 216125), (11375, 175807), (12175, 164255), (12635, 158275), (16625, 120289), (17045, 117325), (23465, 85225), (30875, 64771), (31655, 63175), (32851, 60875), (43225, 46265), (44317, 45125)]