3974140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1823}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 8426880

約数和(自身を除く): 4452740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1823, 2180, 3646, 7292, 9115, 18230, 36460, 198707, 397414, 794828, 993535, 1987070, 3974140]

約数ペア:

[(1, 3974140), (2, 1987070), (4, 993535), (5, 794828), (10, 397414), (20, 198707), (109, 36460), (218, 18230), (436, 9115), (545, 7292), (1090, 3646), (1823, 2180)]