199142725

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 251267400

約数和(自身を除く): 52124675

約数列:

[1, 5, 25, 113, 157, 449, 565, 785, 2245, 2825, 3925, 11225, 17741, 50737, 70493, 88705, 253685, 352465, 443525, 1268425, 1762325, 7965709, 39828545, 199142725]

約数ペア:

[(1, 199142725), (5, 39828545), (25, 7965709), (113, 1762325), (157, 1268425), (449, 443525), (565, 352465), (785, 253685), (2245, 88705), (2825, 70493), (3925, 50737), (11225, 17741)]