401099740

素因数分解:

$2^2\times 5^1\times {\mathrm{5381}}^1\times {\mathrm{3727}}^1$

素因数の和:9117

約数の個数: 24

約数和(自身を含む): 842692032

約数和(自身を除く): 441592292

約数列:

[1, 2, 4, 5, 10, 20, 3727, 5381, 7454, 10762, 14908, 18635, 21524, 26905, 37270, 53810, 74540, 107620, 20054987, 40109974, 80219948, 100274935, 200549870, 401099740]

約数ペア:

[(1, 401099740), (2, 200549870), (4, 100274935), (5, 80219948), (10, 40109974), (20, 20054987), (3727, 107620), (5381, 74540), (7454, 53810), (10762, 37270), (14908, 26905), (18635, 21524)]