54310225

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 68944248

約数和(自身を除く): 14634023

約数列:

[1, 5, 25, 101, 137, 157, 505, 685, 785, 2525, 3425, 3925, 13837, 15857, 21509, 69185, 79285, 107545, 345925, 396425, 537725, 2172409, 10862045, 54310225]

約数ペア:

[(1, 54310225), (5, 10862045), (25, 2172409), (101, 537725), (137, 396425), (157, 345925), (505, 107545), (685, 79285), (785, 69185), (2525, 21509), (3425, 15857), (3925, 13837)]