54038740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{385991}}^1$

素因数の和:386007

約数の個数: 24

約数和(自身を含む): 129693312

約数和(自身を除く): 75654572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 385991, 771982, 1543964, 1929955, 2701937, 3859910, 5403874, 7719820, 10807748, 13509685, 27019370, 54038740]

約数ペア:

[(1, 54038740), (2, 27019370), (4, 13509685), (5, 10807748), (7, 7719820), (10, 5403874), (14, 3859910), (20, 2701937), (28, 1929955), (35, 1543964), (70, 771982), (140, 385991)]