201822220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2153}}^1$

素因数の和:2314

約数の個数: 48

約数和(自身を含む): 437865120

約数和(自身を除く): 236042900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 545, 860, 1090, 2153, 2180, 4306, 4687, 8612, 9374, 10765, 18748, 21530, 23435, 43060, 46870, 92579, 93740, 185158, 234677, 370316, 462895, 469354, 925790, 938708, 1173385, 1851580, 2346770, 4693540, 10091111, 20182222, 40364444, 50455555, 100911110, 201822220]

約数ペア:

[(1, 201822220), (2, 100911110), (4, 50455555), (5, 40364444), (10, 20182222), (20, 10091111), (43, 4693540), (86, 2346770), (109, 1851580), (172, 1173385), (215, 938708), (218, 925790), (430, 469354), (436, 462895), (545, 370316), (860, 234677), (1090, 185158), (2153, 93740), (2180, 92579), (4306, 46870), (4687, 43060), (8612, 23435), (9374, 21530), (10765, 18748)]