78836660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563119}}^1$

素因数の和:563135

約数の個数: 24

約数和(自身を含む): 189208320

約数和(自身を除く): 110371660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563119, 1126238, 2252476, 2815595, 3941833, 5631190, 7883666, 11262380, 15767332, 19709165, 39418330, 78836660]

約数ペア:

[(1, 78836660), (2, 39418330), (4, 19709165), (5, 15767332), (7, 11262380), (10, 7883666), (14, 5631190), (20, 3941833), (28, 2815595), (35, 2252476), (70, 1126238), (140, 563119)]