31175480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{111341}}^1$

素因数の和:111359

約数の個数: 32

約数和(自身を含む): 80166240

約数和(自身を除く): 48990760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 111341, 222682, 445364, 556705, 779387, 890728, 1113410, 1558774, 2226820, 3117548, 3896935, 4453640, 6235096, 7793870, 15587740, 31175480]

約数ペア:

[(1, 31175480), (2, 15587740), (4, 7793870), (5, 6235096), (7, 4453640), (8, 3896935), (10, 3117548), (14, 2226820), (20, 1558774), (28, 1113410), (35, 890728), (40, 779387), (56, 556705), (70, 445364), (140, 222682), (280, 111341)]