290148025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{190261}}^1$

素因数の和:190332

約数の個数: 12

約数和(自身を含む): 365683564

約数和(自身を除く): 75535539

約数列:

[1, 5, 25, 61, 305, 1525, 190261, 951305, 4756525, 11605921, 58029605, 290148025]

約数ペア:

[(1, 290148025), (5, 58029605), (25, 11605921), (61, 4756525), (305, 951305), (1525, 190261)]