56838740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{405991}}^1$

素因数の和:406007

約数の個数: 24

約数和(自身を含む): 136413312

約数和(自身を除く): 79574572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 405991, 811982, 1623964, 2029955, 2841937, 4059910, 5683874, 8119820, 11367748, 14209685, 28419370, 56838740]

約数ペア:

[(1, 56838740), (2, 28419370), (4, 14209685), (5, 11367748), (7, 8119820), (10, 5683874), (14, 4059910), (20, 2841937), (28, 2029955), (35, 1623964), (70, 811982), (140, 405991)]