1688895820

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{114269}}^1$

素因数の和:115017

約数の個数: 24

約数和(自身を含む): 3551511600

約数和(自身を除く): 1862615780

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 2956, 3695, 7390, 14780, 114269, 228538, 457076, 571345, 1142690, 2285380, 84444791, 168889582, 337779164, 422223955, 844447910, 1688895820]

約数ペア:

[(1, 1688895820), (2, 844447910), (4, 422223955), (5, 337779164), (10, 168889582), (20, 84444791), (739, 2285380), (1478, 1142690), (2956, 571345), (3695, 457076), (7390, 228538), (14780, 114269)]