394725820

素因数分解:

$2^2\times 5^1\times {\mathrm{4621}}^1\times {\mathrm{4271}}^1$

素因数の和:8901

約数の個数: 24

約数和(自身を含む): 829297728

約数和(自身を除く): 434571908

約数列:

[1, 2, 4, 5, 10, 20, 4271, 4621, 8542, 9242, 17084, 18484, 21355, 23105, 42710, 46210, 85420, 92420, 19736291, 39472582, 78945164, 98681455, 197362910, 394725820]

約数ペア:

[(1, 394725820), (2, 197362910), (4, 98681455), (5, 78945164), (10, 39472582), (20, 19736291), (4271, 92420), (4621, 85420), (8542, 46210), (9242, 42710), (17084, 23105), (18484, 21355)]