499940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3571}}^1$

素因数の和:3587

約数の個数: 24

約数和(自身を含む): 1200192

約数和(自身を除く): 700252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3571, 7142, 14284, 17855, 24997, 35710, 49994, 71420, 99988, 124985, 249970, 499940]

約数ペア:

[(1, 499940), (2, 249970), (4, 124985), (5, 99988), (7, 71420), (10, 49994), (14, 35710), (20, 24997), (28, 17855), (35, 14284), (70, 7142), (140, 3571)]