200078978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1987}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 343526400

約数和(自身を除く): 143447422

約数列:

[1, 2, 11, 22, 23, 46, 199, 253, 398, 506, 1987, 2189, 3974, 4378, 4577, 9154, 21857, 43714, 45701, 50347, 91402, 100694, 395413, 502711, 790826, 1005422, 4349543, 8699086, 9094499, 18188998, 100039489, 200078978]

約数ペア:

[(1, 200078978), (2, 100039489), (11, 18188998), (22, 9094499), (23, 8699086), (46, 4349543), (199, 1005422), (253, 790826), (398, 502711), (506, 395413), (1987, 100694), (2189, 91402), (3974, 50347), (4378, 45701), (4577, 43714), (9154, 21857)]