74940025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 95354264

約数和(自身を除く): 20414239

約数列:

[1, 5, 25, 61, 157, 305, 313, 785, 1525, 1565, 3925, 7825, 9577, 19093, 47885, 49141, 95465, 239425, 245705, 477325, 1228525, 2997601, 14988005, 74940025]

約数ペア:

[(1, 74940025), (5, 14988005), (25, 2997601), (61, 1228525), (157, 477325), (305, 245705), (313, 239425), (785, 95465), (1525, 49141), (1565, 47885), (3925, 19093), (7825, 9577)]