2847740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20341}}^1$

素因数の和:20357

約数の個数: 24

約数和(自身を含む): 6834912

約数和(自身を除く): 3987172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20341, 40682, 81364, 101705, 142387, 203410, 284774, 406820, 569548, 711935, 1423870, 2847740]

約数ペア:

[(1, 2847740), (2, 1423870), (4, 711935), (5, 569548), (7, 406820), (10, 284774), (14, 203410), (20, 142387), (28, 101705), (35, 81364), (70, 40682), (140, 20341)]