890272525

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{487}}^1\times {\mathrm{881}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 1120803264

約数和(自身を除く): 230530739

約数列:

[1, 5, 25, 83, 415, 487, 881, 2075, 2435, 4405, 12175, 22025, 40421, 73123, 202105, 365615, 429047, 1010525, 1828075, 2145235, 10726175, 35610901, 178054505, 890272525]

約数ペア:

[(1, 890272525), (5, 178054505), (25, 35610901), (83, 10726175), (415, 2145235), (487, 1828075), (881, 1010525), (2075, 429047), (2435, 365615), (4405, 202105), (12175, 73123), (22025, 40421)]