215499710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1\times {\mathrm{1069}}^1$

素因数の和:2156

約数の個数: 32

約数和(自身を含む): 409082400

約数和(自身を除く): 193582690

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1061, 1069, 2122, 2138, 5305, 5345, 10610, 10690, 20159, 20311, 40318, 40622, 100795, 101555, 201590, 203110, 1134209, 2268418, 5671045, 11342090, 21549971, 43099942, 107749855, 215499710]

約数ペア:

[(1, 215499710), (2, 107749855), (5, 43099942), (10, 21549971), (19, 11342090), (38, 5671045), (95, 2268418), (190, 1134209), (1061, 203110), (1069, 201590), (2122, 101555), (2138, 100795), (5305, 40622), (5345, 40318), (10610, 20311), (10690, 20159)]