126509740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{903641}}^1$

素因数の和:903657

約数の個数: 24

約数和(自身を含む): 303623712

約数和(自身を除く): 177113972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 903641, 1807282, 3614564, 4518205, 6325487, 9036410, 12650974, 18072820, 25301948, 31627435, 63254870, 126509740]

約数ペア:

[(1, 126509740), (2, 63254870), (4, 31627435), (5, 25301948), (7, 18072820), (10, 12650974), (14, 9036410), (20, 6325487), (28, 4518205), (35, 3614564), (70, 1807282), (140, 903641)]