138804740

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{14251}}^1$

素因数の和:14747

約数の個数: 24

約数和(自身を含む): 292108992

約数和(自身を除く): 153304252

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 14251, 28502, 57004, 71255, 142510, 285020, 6940237, 13880474, 27760948, 34701185, 69402370, 138804740]

約数ペア:

[(1, 138804740), (2, 69402370), (4, 34701185), (5, 27760948), (10, 13880474), (20, 6940237), (487, 285020), (974, 142510), (1948, 71255), (2435, 57004), (4870, 28502), (9740, 14251)]