155510740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{100981}}^1$

素因数の和:101008

約数の個数: 48

約数和(自身を含む): 407159424

約数和(自身を除く): 251648684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 100981, 201962, 403924, 504905, 706867, 1009810, 1110791, 1413734, 2019620, 2221582, 2827468, 3534335, 4443164, 5553955, 7068670, 7775537, 11107910, 14137340, 15551074, 22215820, 31102148, 38877685, 77755370, 155510740]

約数ペア:

[(1, 155510740), (2, 77755370), (4, 38877685), (5, 31102148), (7, 22215820), (10, 15551074), (11, 14137340), (14, 11107910), (20, 7775537), (22, 7068670), (28, 5553955), (35, 4443164), (44, 3534335), (55, 2827468), (70, 2221582), (77, 2019620), (110, 1413734), (140, 1110791), (154, 1009810), (220, 706867), (308, 504905), (385, 403924), (770, 201962), (1540, 100981)]