30802660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{220019}}^1$

素因数の和:220035

約数の個数: 24

約数和(自身を含む): 73926720

約数和(自身を除く): 43124060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 220019, 440038, 880076, 1100095, 1540133, 2200190, 3080266, 4400380, 6160532, 7700665, 15401330, 30802660]

約数ペア:

[(1, 30802660), (2, 15401330), (4, 7700665), (5, 6160532), (7, 4400380), (10, 3080266), (14, 2200190), (20, 1540133), (28, 1100095), (35, 880076), (70, 440038), (140, 220019)]