71311180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{187661}}^1$

素因数の和:187689

約数の個数: 24

約数和(自身を含む): 157636080

約数和(自身を除く): 86324900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 187661, 375322, 750644, 938305, 1876610, 3565559, 3753220, 7131118, 14262236, 17827795, 35655590, 71311180]

約数ペア:

[(1, 71311180), (2, 35655590), (4, 17827795), (5, 14262236), (10, 7131118), (19, 3753220), (20, 3565559), (38, 1876610), (76, 938305), (95, 750644), (190, 375322), (380, 187661)]