1098980180

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{178987}}^1$

素因数の和:179303

約数の個数: 24

約数和(自身を含む): 2315388768

約数和(自身を除く): 1216408588

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 178987, 357974, 715948, 894935, 1789870, 3579740, 54949009, 109898018, 219796036, 274745045, 549490090, 1098980180]

約数ペア:

[(1, 1098980180), (2, 549490090), (4, 274745045), (5, 219796036), (10, 109898018), (20, 54949009), (307, 3579740), (614, 1789870), (1228, 894935), (1535, 715948), (3070, 357974), (6140, 178987)]