17424440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^2$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 42985080

約数和(自身を除く): 25560640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 796, 995, 1592, 1990, 2189, 3980, 4378, 7960, 8756, 10945, 17512, 21890, 39601, 43780, 79202, 87560, 158404, 198005, 316808, 396010, 435611, 792020, 871222, 1584040, 1742444, 2178055, 3484888, 4356110, 8712220, 17424440]

約数ペア:

[(1, 17424440), (2, 8712220), (4, 4356110), (5, 3484888), (8, 2178055), (10, 1742444), (11, 1584040), (20, 871222), (22, 792020), (40, 435611), (44, 396010), (55, 316808), (88, 198005), (110, 158404), (199, 87560), (220, 79202), (398, 43780), (440, 39601), (796, 21890), (995, 17512), (1592, 10945), (1990, 8756), (2189, 7960), (3980, 4378)]