206840620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{3191}}^1$

素因数の和:3670

約数の個数: 48

約数和(自身を含む): 497645568

約数和(自身を除く): 290804948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 463, 926, 1852, 2315, 3191, 3241, 4630, 6382, 6482, 9260, 12764, 12964, 15955, 16205, 22337, 31910, 32410, 44674, 63820, 64820, 89348, 111685, 223370, 446740, 1477433, 2954866, 5909732, 7387165, 10342031, 14774330, 20684062, 29548660, 41368124, 51710155, 103420310, 206840620]

約数ペア:

[(1, 206840620), (2, 103420310), (4, 51710155), (5, 41368124), (7, 29548660), (10, 20684062), (14, 14774330), (20, 10342031), (28, 7387165), (35, 5909732), (70, 2954866), (140, 1477433), (463, 446740), (926, 223370), (1852, 111685), (2315, 89348), (3191, 64820), (3241, 63820), (4630, 44674), (6382, 32410), (6482, 31910), (9260, 22337), (12764, 16205), (12964, 15955)]