197849380

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{9689}}^1$

素因数の和:10719

約数の個数: 24

約数和(自身を含む): 415933560

約数和(自身を除く): 218084180

約数列:

[1, 2, 4, 5, 10, 20, 1021, 2042, 4084, 5105, 9689, 10210, 19378, 20420, 38756, 48445, 96890, 193780, 9892469, 19784938, 39569876, 49462345, 98924690, 197849380]

約数ペア:

[(1, 197849380), (2, 98924690), (4, 49462345), (5, 39569876), (10, 19784938), (20, 9892469), (1021, 193780), (2042, 96890), (4084, 48445), (5105, 38756), (9689, 20420), (10210, 19378)]