381301910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{17419}}^1$

素因数の和:17636

約数の個数: 32

約数和(自身を含む): 752544000

約数和(自身を除く): 371242090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 17419, 21890, 34838, 87095, 174190, 191609, 383218, 958045, 1916090, 3466381, 6932762, 17331905, 34663810, 38130191, 76260382, 190650955, 381301910]

約数ペア:

[(1, 381301910), (2, 190650955), (5, 76260382), (10, 38130191), (11, 34663810), (22, 17331905), (55, 6932762), (110, 3466381), (199, 1916090), (398, 958045), (995, 383218), (1990, 191609), (2189, 174190), (4378, 87095), (10945, 34838), (17419, 21890)]