219340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 502992

約数和(自身を除く): 283652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 997, 1994, 3988, 4985, 9970, 10967, 19940, 21934, 43868, 54835, 109670, 219340]

約数ペア:

[(1, 219340), (2, 109670), (4, 54835), (5, 43868), (10, 21934), (11, 19940), (20, 10967), (22, 9970), (44, 4985), (55, 3988), (110, 1994), (220, 997)]