9798740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{69991}}^1$

素因数の和:70007

約数の個数: 24

約数和(自身を含む): 23517312

約数和(自身を除く): 13718572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 69991, 139982, 279964, 349955, 489937, 699910, 979874, 1399820, 1959748, 2449685, 4899370, 9798740]

約数ペア:

[(1, 9798740), (2, 4899370), (4, 2449685), (5, 1959748), (7, 1399820), (10, 979874), (14, 699910), (20, 489937), (28, 349955), (35, 279964), (70, 139982), (140, 69991)]