123429740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{881641}}^1$

素因数の和:881657

約数の個数: 24

約数和(自身を含む): 296231712

約数和(自身を除く): 172801972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 881641, 1763282, 3526564, 4408205, 6171487, 8816410, 12342974, 17632820, 24685948, 30857435, 61714870, 123429740]

約数ペア:

[(1, 123429740), (2, 61714870), (4, 30857435), (5, 24685948), (7, 17632820), (10, 12342974), (14, 8816410), (20, 6171487), (28, 4408205), (35, 3526564), (70, 1763282), (140, 881641)]