168401890

素因数分解:

$2^1\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{9049}}^1$

素因数の和:10917

約数の個数: 16

約数和(自身を含む): 303319800

約数和(自身を除く): 134917910

約数列:

[1, 2, 5, 10, 1861, 3722, 9049, 9305, 18098, 18610, 45245, 90490, 16840189, 33680378, 84200945, 168401890]

約数ペア:

[(1, 168401890), (2, 84200945), (5, 33680378), (10, 16840189), (1861, 90490), (3722, 45245), (9049, 18610), (9305, 18098)]