2217625

素因数分解:

$5^3\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 16

約数和(自身を含む): 2809872

約数和(自身を除く): 592247

約数列:

[1, 5, 25, 113, 125, 157, 565, 785, 2825, 3925, 14125, 17741, 19625, 88705, 443525, 2217625]

約数ペア:

[(1, 2217625), (5, 443525), (25, 88705), (113, 19625), (125, 17741), (157, 14125), (565, 3925), (785, 2825)]