350240

素因数分解:

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

素因数の和:225

約数の個数: 48

約数和(自身を含む): 907200

約数和(自身を除く): 556960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 199, 220, 352, 398, 440, 796, 880, 995, 1592, 1760, 1990, 2189, 3184, 3980, 4378, 6368, 7960, 8756, 10945, 15920, 17512, 21890, 31840, 35024, 43780, 70048, 87560, 175120, 350240]

約数ペア:

[(1, 350240), (2, 175120), (4, 87560), (5, 70048), (8, 43780), (10, 35024), (11, 31840), (16, 21890), (20, 17512), (22, 15920), (32, 10945), (40, 8756), (44, 7960), (55, 6368), (80, 4378), (88, 3980), (110, 3184), (160, 2189), (176, 1990), (199, 1760), (220, 1592), (352, 995), (398, 880), (440, 796)]