138138220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{627901}}^1$

素因数の和:627921

約数の個数: 24

約数和(自身を含む): 316462608

約数和(自身を除く): 178324388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 627901, 1255802, 2511604, 3139505, 6279010, 6906911, 12558020, 13813822, 27627644, 34534555, 69069110, 138138220]

約数ペア:

[(1, 138138220), (2, 69069110), (4, 34534555), (5, 27627644), (10, 13813822), (11, 12558020), (20, 6906911), (22, 6279010), (44, 3139505), (55, 2511604), (110, 1255802), (220, 627901)]