72790225

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{19541}}^1$

素因数の和:19700

約数の個数: 12

約数和(自身を含む): 90870300

約数和(自身を除く): 18080075

約数列:

[1, 5, 25, 149, 745, 3725, 19541, 97705, 488525, 2911609, 14558045, 72790225]

約数ペア:

[(1, 72790225), (5, 14558045), (25, 2911609), (149, 488525), (745, 97705), (3725, 19541)]