84988420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5441}}^1$

素因数の和:5532

約数の個数: 48

約数和(自身を含む): 197479296

約数和(自身を除く): 112490876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 5441, 7810, 10882, 15620, 21764, 27205, 54410, 59851, 108820, 119702, 239404, 299255, 386311, 598510, 772622, 1197020, 1545244, 1931555, 3863110, 4249421, 7726220, 8498842, 16997684, 21247105, 42494210, 84988420]

約数ペア:

[(1, 84988420), (2, 42494210), (4, 21247105), (5, 16997684), (10, 8498842), (11, 7726220), (20, 4249421), (22, 3863110), (44, 1931555), (55, 1545244), (71, 1197020), (110, 772622), (142, 598510), (220, 386311), (284, 299255), (355, 239404), (710, 119702), (781, 108820), (1420, 59851), (1562, 54410), (3124, 27205), (3905, 21764), (5441, 15620), (7810, 10882)]