1997647580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2125157}}^1$

素因数の和:2125213

約数の個数: 24

約数和(自身を含む): 4284318528

約数和(自身を除く): 2286670948

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 2125157, 4250314, 8500628, 10625785, 21251570, 42503140, 99882379, 199764758, 399529516, 499411895, 998823790, 1997647580]

約数ペア:

[(1, 1997647580), (2, 998823790), (4, 499411895), (5, 399529516), (10, 199764758), (20, 99882379), (47, 42503140), (94, 21251570), (188, 10625785), (235, 8500628), (470, 4250314), (940, 2125157)]