15384740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109891}}^1$

素因数の和:109907

約数の個数: 24

約数和(自身を含む): 36923712

約数和(自身を除く): 21538972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 109891, 219782, 439564, 549455, 769237, 1098910, 1538474, 2197820, 3076948, 3846185, 7692370, 15384740]

約数ペア:

[(1, 15384740), (2, 7692370), (4, 3846185), (5, 3076948), (7, 2197820), (10, 1538474), (14, 1098910), (20, 769237), (28, 549455), (35, 439564), (70, 219782), (140, 109891)]