178012220

素因数分解:

$2^2\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{7411}}^1$

素因数の和:8621

約数の個数: 24

約数和(自身を含む): 374187408

約数和(自身を除く): 196175188

約数列:

[1, 2, 4, 5, 10, 20, 1201, 2402, 4804, 6005, 7411, 12010, 14822, 24020, 29644, 37055, 74110, 148220, 8900611, 17801222, 35602444, 44503055, 89006110, 178012220]

約数ペア:

[(1, 178012220), (2, 89006110), (4, 44503055), (5, 35602444), (10, 17801222), (20, 8900611), (1201, 148220), (2402, 74110), (4804, 37055), (6005, 29644), (7411, 24020), (12010, 14822)]