220197740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1572841}}^1$

素因数の和:1572857

約数の個数: 24

約数和(自身を含む): 528474912

約数和(自身を除く): 308277172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1572841, 3145682, 6291364, 7864205, 11009887, 15728410, 22019774, 31456820, 44039548, 55049435, 110098870, 220197740]

約数ペア:

[(1, 220197740), (2, 110098870), (4, 55049435), (5, 44039548), (7, 31456820), (10, 22019774), (14, 15728410), (20, 11009887), (28, 7864205), (35, 6291364), (70, 3145682), (140, 1572841)]