8786740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1217}}^1$

素因数の和:1264

約数の個数: 36

約数和(自身を含む): 19490436

約数和(自身を除く): 10703696

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1217, 1444, 1805, 2434, 3610, 4868, 6085, 7220, 12170, 23123, 24340, 46246, 92492, 115615, 231230, 439337, 462460, 878674, 1757348, 2196685, 4393370, 8786740]

約数ペア:

[(1, 8786740), (2, 4393370), (4, 2196685), (5, 1757348), (10, 878674), (19, 462460), (20, 439337), (38, 231230), (76, 115615), (95, 92492), (190, 46246), (361, 24340), (380, 23123), (722, 12170), (1217, 7220), (1444, 6085), (1805, 4868), (2434, 3610)]