919340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1069}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 1977360

約数和(自身を除く): 1058020

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1069, 2138, 4276, 5345, 10690, 21380, 45967, 91934, 183868, 229835, 459670, 919340]

約数ペア:

[(1, 919340), (2, 459670), (4, 229835), (5, 183868), (10, 91934), (20, 45967), (43, 21380), (86, 10690), (172, 5345), (215, 4276), (430, 2138), (860, 1069)]