222742180

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{70937}}^1$

素因数の和:71103

約数の個数: 24

約数和(自身を含む): 470744568

約数和(自身を除く): 248002388

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 70937, 141874, 283748, 354685, 709370, 1418740, 11137109, 22274218, 44548436, 55685545, 111371090, 222742180]

約数ペア:

[(1, 222742180), (2, 111371090), (4, 55685545), (5, 44548436), (10, 22274218), (20, 11137109), (157, 1418740), (314, 709370), (628, 354685), (785, 283748), (1570, 141874), (3140, 70937)]