181442660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1296019}}^1$

素因数の和:1296035

約数の個数: 24

約数和(自身を含む): 435462720

約数和(自身を除く): 254020060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1296019, 2592038, 5184076, 6480095, 9072133, 12960190, 18144266, 25920380, 36288532, 45360665, 90721330, 181442660]

約数ペア:

[(1, 181442660), (2, 90721330), (4, 45360665), (5, 36288532), (7, 25920380), (10, 18144266), (14, 12960190), (20, 9072133), (28, 6480095), (35, 5184076), (70, 2592038), (140, 1296019)]