406642820

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{106451}}^1$

素因数の和:106651

約数の個数: 24

約数和(自身を含む): 858428928

約数和(自身を除く): 451786108

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 106451, 212902, 425804, 532255, 1064510, 2129020, 20332141, 40664282, 81328564, 101660705, 203321410, 406642820]

約数ペア:

[(1, 406642820), (2, 203321410), (4, 101660705), (5, 81328564), (10, 40664282), (20, 20332141), (191, 2129020), (382, 1064510), (764, 532255), (955, 425804), (1910, 212902), (3820, 106451)]