164047940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171771}}^1$

素因数の和:1171787

約数の個数: 24

約数和(自身を含む): 393715392

約数和(自身を除く): 229667452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171771, 2343542, 4687084, 5858855, 8202397, 11717710, 16404794, 23435420, 32809588, 41011985, 82023970, 164047940]

約数ペア:

[(1, 164047940), (2, 82023970), (4, 41011985), (5, 32809588), (7, 23435420), (10, 16404794), (14, 11717710), (20, 8202397), (28, 5858855), (35, 4687084), (70, 2343542), (140, 1171771)]