2891349580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20652497}}^1$

素因数の和:20652513

約数の個数: 24

約数和(自身を含む): 6939239328

約数和(自身を除く): 4047889748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20652497, 41304994, 82609988, 103262485, 144567479, 206524970, 289134958, 413049940, 578269916, 722837395, 1445674790, 2891349580]

約数ペア:

[(1, 2891349580), (2, 1445674790), (4, 722837395), (5, 578269916), (7, 413049940), (10, 289134958), (14, 206524970), (20, 144567479), (28, 103262485), (35, 82609988), (70, 41304994), (140, 20652497)]