123525820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1279}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 283852800

約数和(自身を除く): 160326980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 439, 878, 1279, 1756, 2195, 2558, 4390, 4829, 5116, 6395, 8780, 9658, 12790, 14069, 19316, 24145, 25580, 28138, 48290, 56276, 70345, 96580, 140690, 281380, 561481, 1122962, 2245924, 2807405, 5614810, 6176291, 11229620, 12352582, 24705164, 30881455, 61762910, 123525820]

約数ペア:

[(1, 123525820), (2, 61762910), (4, 30881455), (5, 24705164), (10, 12352582), (11, 11229620), (20, 6176291), (22, 5614810), (44, 2807405), (55, 2245924), (110, 1122962), (220, 561481), (439, 281380), (878, 140690), (1279, 96580), (1756, 70345), (2195, 56276), (2558, 48290), (4390, 28138), (4829, 25580), (5116, 24145), (6395, 19316), (8780, 14069), (9658, 12790)]