51497380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1571}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 118843200

約数和(自身を除く): 67345820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1571, 1639, 2980, 3142, 3278, 6284, 6556, 7855, 8195, 15710, 16390, 17281, 31420, 32780, 34562, 69124, 86405, 172810, 234079, 345620, 468158, 936316, 1170395, 2340790, 2574869, 4681580, 5149738, 10299476, 12874345, 25748690, 51497380]

約数ペア:

[(1, 51497380), (2, 25748690), (4, 12874345), (5, 10299476), (10, 5149738), (11, 4681580), (20, 2574869), (22, 2340790), (44, 1170395), (55, 936316), (110, 468158), (149, 345620), (220, 234079), (298, 172810), (596, 86405), (745, 69124), (1490, 34562), (1571, 32780), (1639, 31420), (2980, 17281), (3142, 16390), (3278, 15710), (6284, 8195), (6556, 7855)]