349791760

素因数分解:

$2^4\times 5^1\times {\mathrm{4372397}}^1$

素因数の和:4372410

約数の個数: 20

約数和(自身を含む): 813266028

約数和(自身を除く): 463474268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4372397, 8744794, 17489588, 21861985, 34979176, 43723970, 69958352, 87447940, 174895880, 349791760]

約数ペア:

[(1, 349791760), (2, 174895880), (4, 87447940), (5, 69958352), (8, 43723970), (10, 34979176), (16, 21861985), (20, 17489588), (40, 8744794), (80, 4372397)]