317145025

素因数分解:

$5^2\times {\mathrm{163}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 398585600

約数和(自身を除く): 81440575

約数列:

[1, 5, 25, 163, 223, 349, 815, 1115, 1745, 4075, 5575, 8725, 36349, 56887, 77827, 181745, 284435, 389135, 908725, 1422175, 1945675, 12685801, 63429005, 317145025]

約数ペア:

[(1, 317145025), (5, 63429005), (25, 12685801), (163, 1945675), (223, 1422175), (349, 908725), (815, 389135), (1115, 284435), (1745, 181745), (4075, 77827), (5575, 56887), (8725, 36349)]