31218740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222991}}^1$

素因数の和:223007

約数の個数: 24

約数和(自身を含む): 74925312

約数和(自身を除く): 43706572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222991, 445982, 891964, 1114955, 1560937, 2229910, 3121874, 4459820, 6243748, 7804685, 15609370, 31218740]

約数ペア:

[(1, 31218740), (2, 15609370), (4, 7804685), (5, 6243748), (7, 4459820), (10, 3121874), (14, 2229910), (20, 1560937), (28, 1114955), (35, 891964), (70, 445982), (140, 222991)]