8377820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 19420128

約数和(自身を除く): 11042308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 337, 452, 565, 674, 1130, 1243, 1348, 1685, 2260, 2486, 3370, 3707, 4972, 6215, 6740, 7414, 12430, 14828, 18535, 24860, 37070, 38081, 74140, 76162, 152324, 190405, 380810, 418891, 761620, 837782, 1675564, 2094455, 4188910, 8377820]

約数ペア:

[(1, 8377820), (2, 4188910), (4, 2094455), (5, 1675564), (10, 837782), (11, 761620), (20, 418891), (22, 380810), (44, 190405), (55, 152324), (110, 76162), (113, 74140), (220, 38081), (226, 37070), (337, 24860), (452, 18535), (565, 14828), (674, 12430), (1130, 7414), (1243, 6740), (1348, 6215), (1685, 4972), (2260, 3707), (2486, 3370)]