31070225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 40920000

約数和(自身を除く): 9849775

約数列:

[1, 5, 19, 25, 95, 149, 439, 475, 745, 2195, 2831, 3725, 8341, 10975, 14155, 41705, 65411, 70775, 208525, 327055, 1242809, 1635275, 6214045, 31070225]

約数ペア:

[(1, 31070225), (5, 6214045), (19, 1635275), (25, 1242809), (95, 327055), (149, 208525), (439, 70775), (475, 65411), (745, 41705), (2195, 14155), (2831, 10975), (3725, 8341)]