201779920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109663}}^1$

素因数の和:109699

約数の個数: 40

約数和(自身を含む): 489540096

約数和(自身を除く): 287760176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 109663, 219326, 438652, 548315, 877304, 1096630, 1754608, 2193260, 2522249, 4386520, 5044498, 8773040, 10088996, 12611245, 20177992, 25222490, 40355984, 50444980, 100889960, 201779920]

約数ペア:

[(1, 201779920), (2, 100889960), (4, 50444980), (5, 40355984), (8, 25222490), (10, 20177992), (16, 12611245), (20, 10088996), (23, 8773040), (40, 5044498), (46, 4386520), (80, 2522249), (92, 2193260), (115, 1754608), (184, 1096630), (230, 877304), (368, 548315), (460, 438652), (920, 219326), (1840, 109663)]