251016490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^2\times {\mathrm{3169}}^1$

素因数の和:3354

約数の個数: 24

約数和(自身を含む): 457107660

約数和(自身を除く): 206091170

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 3169, 6338, 7921, 15842, 15845, 31690, 39605, 79210, 282041, 564082, 1410205, 2820410, 25101649, 50203298, 125508245, 251016490]

約数ペア:

[(1, 251016490), (2, 125508245), (5, 50203298), (10, 25101649), (89, 2820410), (178, 1410205), (445, 564082), (890, 282041), (3169, 79210), (6338, 39605), (7921, 31690), (15842, 15845)]