42278740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{301991}}^1$

素因数の和:302007

約数の個数: 24

約数和(自身を含む): 101469312

約数和(自身を除く): 59190572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 301991, 603982, 1207964, 1509955, 2113937, 3019910, 4227874, 6039820, 8455748, 10569685, 21139370, 42278740]

約数ペア:

[(1, 42278740), (2, 21139370), (4, 10569685), (5, 8455748), (7, 6039820), (10, 4227874), (14, 3019910), (20, 2113937), (28, 1509955), (35, 1207964), (70, 603982), (140, 301991)]