520020620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3714433}}^1$

素因数の和:3714449

約数の個数: 24

約数和(自身を含む): 1248049824

約数和(自身を除く): 728029204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3714433, 7428866, 14857732, 18572165, 26001031, 37144330, 52002062, 74288660, 104004124, 130005155, 260010310, 520020620]

約数ペア:

[(1, 520020620), (2, 260010310), (4, 130005155), (5, 104004124), (7, 74288660), (10, 52002062), (14, 37144330), (20, 26001031), (28, 18572165), (35, 14857732), (70, 7428866), (140, 3714433)]