2158173820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1129}}^1\times {\mathrm{8689}}^1$

素因数の和:9838

約数の個数: 48

約数和(自身を含む): 4949128800

約数和(自身を除く): 2790954980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1129, 2258, 4516, 5645, 8689, 11290, 12419, 17378, 22580, 24838, 34756, 43445, 49676, 62095, 86890, 95579, 124190, 173780, 191158, 248380, 382316, 477895, 955790, 1911580, 9809881, 19619762, 39239524, 49049405, 98098810, 107908691, 196197620, 215817382, 431634764, 539543455, 1079086910, 2158173820]

約数ペア:

[(1, 2158173820), (2, 1079086910), (4, 539543455), (5, 431634764), (10, 215817382), (11, 196197620), (20, 107908691), (22, 98098810), (44, 49049405), (55, 39239524), (110, 19619762), (220, 9809881), (1129, 1911580), (2258, 955790), (4516, 477895), (5645, 382316), (8689, 248380), (11290, 191158), (12419, 173780), (17378, 124190), (22580, 95579), (24838, 86890), (34756, 62095), (43445, 49676)]