446740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3191}}^1$

素因数の和:3207

約数の個数: 24

約数和(自身を含む): 1072512

約数和(自身を除く): 625772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3191, 6382, 12764, 15955, 22337, 31910, 44674, 63820, 89348, 111685, 223370, 446740]

約数ペア:

[(1, 446740), (2, 223370), (4, 111685), (5, 89348), (7, 63820), (10, 44674), (14, 31910), (20, 22337), (28, 15955), (35, 12764), (70, 6382), (140, 3191)]