87173660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{622669}}^1$

素因数の和:622685

約数の個数: 24

約数和(自身を含む): 209217120

約数和(自身を除く): 122043460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 622669, 1245338, 2490676, 3113345, 4358683, 6226690, 8717366, 12453380, 17434732, 21793415, 43586830, 87173660]

約数ペア:

[(1, 87173660), (2, 43586830), (4, 21793415), (5, 17434732), (7, 12453380), (10, 8717366), (14, 6226690), (20, 4358683), (28, 3113345), (35, 2490676), (70, 1245338), (140, 622669)]