28150220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201073}}^1$

素因数の和:201089

約数の個数: 24

約数和(自身を含む): 67560864

約数和(自身を除く): 39410644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201073, 402146, 804292, 1005365, 1407511, 2010730, 2815022, 4021460, 5630044, 7037555, 14075110, 28150220]

約数ペア:

[(1, 28150220), (2, 14075110), (4, 7037555), (5, 5630044), (7, 4021460), (10, 2815022), (14, 2010730), (20, 1407511), (28, 1005365), (35, 804292), (70, 402146), (140, 201073)]