252290525

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 318897000

約数和(自身を除く): 66606475

約数列:

[1, 5, 25, 89, 149, 445, 745, 761, 2225, 3725, 3805, 13261, 19025, 66305, 67729, 113389, 331525, 338645, 566945, 1693225, 2834725, 10091621, 50458105, 252290525]

約数ペア:

[(1, 252290525), (5, 50458105), (25, 10091621), (89, 2834725), (149, 1693225), (445, 566945), (745, 338645), (761, 331525), (2225, 113389), (3725, 67729), (3805, 66305), (13261, 19025)]