70487380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{49639}}^1$

素因数の和:49719

約数の個数: 24

約数和(自身を含む): 150111360

約数和(自身を除く): 79623980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 49639, 99278, 198556, 248195, 496390, 992780, 3524369, 7048738, 14097476, 17621845, 35243690, 70487380]

約数ペア:

[(1, 70487380), (2, 35243690), (4, 17621845), (5, 14097476), (10, 7048738), (20, 3524369), (71, 992780), (142, 496390), (284, 248195), (355, 198556), (710, 99278), (1420, 49639)]