68215180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2081}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 157399200

約数和(自身を除く): 89184020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2081, 2980, 3278, 4162, 6556, 8195, 8324, 10405, 16390, 20810, 22891, 32780, 41620, 45782, 91564, 114455, 228910, 310069, 457820, 620138, 1240276, 1550345, 3100690, 3410759, 6201380, 6821518, 13643036, 17053795, 34107590, 68215180]

約数ペア:

[(1, 68215180), (2, 34107590), (4, 17053795), (5, 13643036), (10, 6821518), (11, 6201380), (20, 3410759), (22, 3100690), (44, 1550345), (55, 1240276), (110, 620138), (149, 457820), (220, 310069), (298, 228910), (596, 114455), (745, 91564), (1490, 45782), (1639, 41620), (2081, 32780), (2980, 22891), (3278, 20810), (4162, 16390), (6556, 10405), (8195, 8324)]