1899690025

素因数分解:

$5^2\times {\mathrm{181}}^1\times {\mathrm{419821}}^1$

素因数の和:420012

約数の個数: 12

約数和(自身を含む): 2368635724

約数和(自身を除く): 468945699

約数列:

[1, 5, 25, 181, 905, 4525, 419821, 2099105, 10495525, 75987601, 379938005, 1899690025]

約数ペア:

[(1, 1899690025), (5, 379938005), (25, 75987601), (181, 10495525), (905, 2099105), (4525, 419821)]