29949940

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3557}}^1$

素因数の和:3987

約数の個数: 24

約数和(自身を含む): 63061992

約数和(自身を除く): 33112052

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 3557, 4210, 7114, 8420, 14228, 17785, 35570, 71140, 1497497, 2994994, 5989988, 7487485, 14974970, 29949940]

約数ペア:

[(1, 29949940), (2, 14974970), (4, 7487485), (5, 5989988), (10, 2994994), (20, 1497497), (421, 71140), (842, 35570), (1684, 17785), (2105, 14228), (3557, 8420), (4210, 7114)]