202340227820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{64439563}}^1$

素因数の和:64439729

約数の個数: 24

約数和(自身を含む): 427620946704

約数和(自身を除く): 225280718884

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 64439563, 128879126, 257758252, 322197815, 644395630, 1288791260, 10117011391, 20234022782, 40468045564, 50585056955, 101170113910, 202340227820]

約数ペア:

[(1, 202340227820), (2, 101170113910), (4, 50585056955), (5, 40468045564), (10, 20234022782), (20, 10117011391), (157, 1288791260), (314, 644395630), (628, 322197815), (785, 257758252), (1570, 128879126), (3140, 64439563)]