231569480

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{14437}}^1$

素因数の和:14849

約数の個数: 32

約数和(自身を含む): 522366840

約数和(自身を除く): 290797360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 14437, 16040, 28874, 57748, 72185, 115496, 144370, 288740, 577480, 5789237, 11578474, 23156948, 28946185, 46313896, 57892370, 115784740, 231569480]

約数ペア:

[(1, 231569480), (2, 115784740), (4, 57892370), (5, 46313896), (8, 28946185), (10, 23156948), (20, 11578474), (40, 5789237), (401, 577480), (802, 288740), (1604, 144370), (2005, 115496), (3208, 72185), (4010, 57748), (8020, 28874), (14437, 16040)]