12821450

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{1721}}^1$

素因数の和:1882

約数の個数: 24

約数和(自身を含む): 24021900

約数和(自身を除く): 11200450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 1721, 3442, 3725, 7450, 8605, 17210, 43025, 86050, 256429, 512858, 1282145, 2564290, 6410725, 12821450]

約数ペア:

[(1, 12821450), (2, 6410725), (5, 2564290), (10, 1282145), (25, 512858), (50, 256429), (149, 86050), (298, 43025), (745, 17210), (1490, 8605), (1721, 7450), (3442, 3725)]