51285800

素因数分解:

$2^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{1721}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 120109500

約数和(自身を除く): 68823700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 149, 200, 298, 596, 745, 1192, 1490, 1721, 2980, 3442, 3725, 5960, 6884, 7450, 8605, 13768, 14900, 17210, 29800, 34420, 43025, 68840, 86050, 172100, 256429, 344200, 512858, 1025716, 1282145, 2051432, 2564290, 5128580, 6410725, 10257160, 12821450, 25642900, 51285800]

約数ペア:

[(1, 51285800), (2, 25642900), (4, 12821450), (5, 10257160), (8, 6410725), (10, 5128580), (20, 2564290), (25, 2051432), (40, 1282145), (50, 1025716), (100, 512858), (149, 344200), (200, 256429), (298, 172100), (596, 86050), (745, 68840), (1192, 43025), (1490, 34420), (1721, 29800), (2980, 17210), (3442, 14900), (3725, 13768), (5960, 8605), (6884, 7450)]