266860225

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{29569}}^1$

素因数の和:29617

約数の個数: 18

約数和(自身を含む): 349251270

約数和(自身を除く): 82391045

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 29569, 147845, 561811, 739225, 2809055, 10674409, 14045275, 53372045, 266860225]

約数ペア:

[(1, 266860225), (5, 53372045), (19, 14045275), (25, 10674409), (95, 2809055), (361, 739225), (475, 561811), (1805, 147845), (9025, 29569)]