7278740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{51991}}^1$

素因数の和:52007

約数の個数: 24

約数和(自身を含む): 17469312

約数和(自身を除く): 10190572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 51991, 103982, 207964, 259955, 363937, 519910, 727874, 1039820, 1455748, 1819685, 3639370, 7278740]

約数ペア:

[(1, 7278740), (2, 3639370), (4, 1819685), (5, 1455748), (7, 1039820), (10, 727874), (14, 519910), (20, 363937), (28, 259955), (35, 207964), (70, 103982), (140, 51991)]