100802660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{720019}}^1$

素因数の和:720035

約数の個数: 24

約数和(自身を含む): 241926720

約数和(自身を除く): 141124060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 720019, 1440038, 2880076, 3600095, 5040133, 7200190, 10080266, 14400380, 20160532, 25200665, 50401330, 100802660]

約数ペア:

[(1, 100802660), (2, 50401330), (4, 25200665), (5, 20160532), (7, 14400380), (10, 10080266), (14, 7200190), (20, 5040133), (28, 3600095), (35, 2880076), (70, 1440038), (140, 720019)]