490690825

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{373}}^1\times {\mathrm{521}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 617310936

約数和(自身を除く): 126620111

約数列:

[1, 5, 25, 101, 373, 505, 521, 1865, 2525, 2605, 9325, 13025, 37673, 52621, 188365, 194333, 263105, 941825, 971665, 1315525, 4858325, 19627633, 98138165, 490690825]

約数ペア:

[(1, 490690825), (5, 98138165), (25, 19627633), (101, 4858325), (373, 1315525), (505, 971665), (521, 941825), (1865, 263105), (2525, 194333), (2605, 188365), (9325, 52621), (13025, 37673)]