291220290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{23279}}^1$

素因数の和:23431

約数の個数: 48

約数和(自身を含む): 762652800

約数和(自身を除く): 471432510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 2085, 2502, 4170, 6255, 12510, 23279, 46558, 69837, 116395, 139674, 209511, 232790, 349185, 419022, 698370, 1047555, 2095110, 3235781, 6471562, 9707343, 16178905, 19414686, 29122029, 32357810, 48536715, 58244058, 97073430, 145610145, 291220290]

約数ペア:

[(1, 291220290), (2, 145610145), (3, 97073430), (5, 58244058), (6, 48536715), (9, 32357810), (10, 29122029), (15, 19414686), (18, 16178905), (30, 9707343), (45, 6471562), (90, 3235781), (139, 2095110), (278, 1047555), (417, 698370), (695, 419022), (834, 349185), (1251, 232790), (1390, 209511), (2085, 139674), (2502, 116395), (4170, 69837), (6255, 46558), (12510, 23279)]