206826740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{1657}}^1$

素因数の和:1824

約数の個数: 36

約数和(自身を含む): 440169156

約数和(自身を除く): 233342416

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1657, 3314, 6241, 6628, 8285, 12482, 16570, 24964, 31205, 33140, 62410, 124820, 130903, 261806, 523612, 654515, 1309030, 2618060, 10341337, 20682674, 41365348, 51706685, 103413370, 206826740]

約数ペア:

[(1, 206826740), (2, 103413370), (4, 51706685), (5, 41365348), (10, 20682674), (20, 10341337), (79, 2618060), (158, 1309030), (316, 654515), (395, 523612), (790, 261806), (1580, 130903), (1657, 124820), (3314, 62410), (6241, 33140), (6628, 31205), (8285, 24964), (12482, 16570)]