123009740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{878641}}^1$

素因数の和:878657

約数の個数: 24

約数和(自身を含む): 295223712

約数和(自身を除く): 172213972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 878641, 1757282, 3514564, 4393205, 6150487, 8786410, 12300974, 17572820, 24601948, 30752435, 61504870, 123009740]

約数ペア:

[(1, 123009740), (2, 61504870), (4, 30752435), (5, 24601948), (7, 17572820), (10, 12300974), (14, 8786410), (20, 6150487), (28, 4393205), (35, 3514564), (70, 1757282), (140, 878641)]