211439740

素因数分解:

$2^2\times 5^1\times {\mathrm{2531}}^1\times {\mathrm{4177}}^1$

素因数の和:6717

約数の個数: 24

約数和(自身を含む): 444305232

約数和(自身を除く): 232865492

約数列:

[1, 2, 4, 5, 10, 20, 2531, 4177, 5062, 8354, 10124, 12655, 16708, 20885, 25310, 41770, 50620, 83540, 10571987, 21143974, 42287948, 52859935, 105719870, 211439740]

約数ペア:

[(1, 211439740), (2, 105719870), (4, 52859935), (5, 42287948), (10, 21143974), (20, 10571987), (2531, 83540), (4177, 50620), (5062, 41770), (8354, 25310), (10124, 20885), (12655, 16708)]