489747025

素因数分解:

$5^2\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{821}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 616460544

約数和(自身を除く): 126713519

約数列:

[1, 5, 25, 107, 223, 535, 821, 1115, 2675, 4105, 5575, 20525, 23861, 87847, 119305, 183083, 439235, 596525, 915415, 2196175, 4577075, 19589881, 97949405, 489747025]

約数ペア:

[(1, 489747025), (5, 97949405), (25, 19589881), (107, 4577075), (223, 2196175), (535, 915415), (821, 596525), (1115, 439235), (2675, 183083), (4105, 119305), (5575, 87847), (20525, 23861)]