253830025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2129}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 332791200

約数和(自身を除く): 78961175

約数列:

[1, 5, 19, 25, 95, 251, 475, 1255, 2129, 4769, 6275, 10645, 23845, 40451, 53225, 119225, 202255, 534379, 1011275, 2671895, 10153201, 13359475, 50766005, 253830025]

約数ペア:

[(1, 253830025), (5, 50766005), (19, 13359475), (25, 10153201), (95, 2671895), (251, 1011275), (475, 534379), (1255, 202255), (2129, 119225), (4769, 53225), (6275, 40451), (10645, 23845)]