1920271025

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{2699}}^1$

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 2410560000

約数和(自身を除く): 490288975

約数列:

[1, 5, 25, 149, 191, 745, 955, 2699, 3725, 4775, 13495, 28459, 67475, 142295, 402151, 515509, 711475, 2010755, 2577545, 10053775, 12887725, 76810841, 384054205, 1920271025]

約数ペア:

[(1, 1920271025), (5, 384054205), (25, 76810841), (149, 12887725), (191, 10053775), (745, 2577545), (955, 2010755), (2699, 711475), (3725, 515509), (4775, 402151), (13495, 142295), (28459, 67475)]