2420740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17291}}^1$

素因数の和:17307

約数の個数: 24

約数和(自身を含む): 5810112

約数和(自身を除く): 3389372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17291, 34582, 69164, 86455, 121037, 172910, 242074, 345820, 484148, 605185, 1210370, 2420740]

約数ペア:

[(1, 2420740), (2, 1210370), (4, 605185), (5, 484148), (7, 345820), (10, 242074), (14, 172910), (20, 121037), (28, 86455), (35, 69164), (70, 34582), (140, 17291)]