4399340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19997}}^1$

素因数の和:20017

約数の個数: 24

約数和(自身を含む): 10078992

約数和(自身を除く): 5679652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 19997, 39994, 79988, 99985, 199970, 219967, 399940, 439934, 879868, 1099835, 2199670, 4399340]

約数ペア:

[(1, 4399340), (2, 2199670), (4, 1099835), (5, 879868), (10, 439934), (11, 399940), (20, 219967), (22, 199970), (44, 99985), (55, 79988), (110, 39994), (220, 19997)]