210880525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3389}}^1$

素因数の和:3549

約数の個数: 24

約数和(自身を含む): 277437600

約数和(自身を除く): 66557075

約数列:

[1, 5, 19, 25, 95, 131, 475, 655, 2489, 3275, 3389, 12445, 16945, 62225, 64391, 84725, 321955, 443959, 1609775, 2219795, 8435221, 11098975, 42176105, 210880525]

約数ペア:

[(1, 210880525), (5, 42176105), (19, 11098975), (25, 8435221), (95, 2219795), (131, 1609775), (475, 443959), (655, 321955), (2489, 84725), (3275, 64391), (3389, 62225), (12445, 16945)]