205320620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{743}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 443596608

約数和(自身を除く): 238275988

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 337, 410, 674, 743, 820, 1348, 1486, 1685, 2972, 3370, 3715, 6740, 7430, 13817, 14860, 27634, 30463, 55268, 60926, 69085, 121852, 138170, 152315, 250391, 276340, 304630, 500782, 609260, 1001564, 1251955, 2503910, 5007820, 10266031, 20532062, 41064124, 51330155, 102660310, 205320620]

約数ペア:

[(1, 205320620), (2, 102660310), (4, 51330155), (5, 41064124), (10, 20532062), (20, 10266031), (41, 5007820), (82, 2503910), (164, 1251955), (205, 1001564), (337, 609260), (410, 500782), (674, 304630), (743, 276340), (820, 250391), (1348, 152315), (1486, 138170), (1685, 121852), (2972, 69085), (3370, 60926), (3715, 55268), (6740, 30463), (7430, 27634), (13817, 14860)]