29818180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{212987}}^1$

素因数の和:213003

約数の個数: 24

約数和(自身を含む): 71563968

約数和(自身を除く): 41745788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 212987, 425974, 851948, 1064935, 1490909, 2129870, 2981818, 4259740, 5963636, 7454545, 14909090, 29818180]

約数ペア:

[(1, 29818180), (2, 14909090), (4, 7454545), (5, 5963636), (7, 4259740), (10, 2981818), (14, 2129870), (20, 1490909), (28, 1064935), (35, 851948), (70, 425974), (140, 212987)]