27803860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198599}}^1$

素因数の和:198615

約数の個数: 24

約数和(自身を含む): 66729600

約数和(自身を除く): 38925740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198599, 397198, 794396, 992995, 1390193, 1985990, 2780386, 3971980, 5560772, 6950965, 13901930, 27803860]

約数ペア:

[(1, 27803860), (2, 13901930), (4, 6950965), (5, 5560772), (7, 3971980), (10, 2780386), (14, 1985990), (20, 1390193), (28, 992995), (35, 794396), (70, 397198), (140, 198599)]