212213660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{558457}}^1$

素因数の和:558485

約数の個数: 24

約数和(自身を含む): 469104720

約数和(自身を除く): 256891060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 558457, 1116914, 2233828, 2792285, 5584570, 10610683, 11169140, 21221366, 42442732, 53053415, 106106830, 212213660]

約数ペア:

[(1, 212213660), (2, 106106830), (4, 53053415), (5, 42442732), (10, 21221366), (19, 11169140), (20, 10610683), (38, 5584570), (76, 2792285), (95, 2233828), (190, 1116914), (380, 558457)]