175120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 446400

約数和(自身を除く): 271280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 398, 440, 796, 880, 995, 1592, 1990, 2189, 3184, 3980, 4378, 7960, 8756, 10945, 15920, 17512, 21890, 35024, 43780, 87560, 175120]

約数ペア:

[(1, 175120), (2, 87560), (4, 43780), (5, 35024), (8, 21890), (10, 17512), (11, 15920), (16, 10945), (20, 8756), (22, 7960), (40, 4378), (44, 3980), (55, 3184), (80, 2189), (88, 1990), (110, 1592), (176, 995), (199, 880), (220, 796), (398, 440)]