7740740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{55291}}^1$

素因数の和:55307

約数の個数: 24

約数和(自身を含む): 18578112

約数和(自身を除く): 10837372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 55291, 110582, 221164, 276455, 387037, 552910, 774074, 1105820, 1548148, 1935185, 3870370, 7740740]

約数ペア:

[(1, 7740740), (2, 3870370), (4, 1935185), (5, 1548148), (7, 1105820), (10, 774074), (14, 552910), (20, 387037), (28, 276455), (35, 221164), (70, 110582), (140, 55291)]