28887740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206341}}^1$

素因数の和:206357

約数の個数: 24

約数和(自身を含む): 69330912

約数和(自身を除く): 40443172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206341, 412682, 825364, 1031705, 1444387, 2063410, 2888774, 4126820, 5777548, 7221935, 14443870, 28887740]

約数ペア:

[(1, 28887740), (2, 14443870), (4, 7221935), (5, 5777548), (7, 4126820), (10, 2888774), (14, 2063410), (20, 1444387), (28, 1031705), (35, 825364), (70, 412682), (140, 206341)]