171995560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8317}}^1$

素因数の和:8386

約数の個数: 64

約数和(自身を含む): 431205120

約数和(自身を除く): 259209560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 8317, 10340, 16634, 20680, 33268, 41585, 66536, 83170, 91487, 166340, 182974, 332680, 365948, 390899, 457435, 731896, 781798, 914870, 1563596, 1829740, 1954495, 3127192, 3659480, 3908990, 4299889, 7817980, 8599778, 15635960, 17199556, 21499445, 34399112, 42998890, 85997780, 171995560]

約数ペア:

[(1, 171995560), (2, 85997780), (4, 42998890), (5, 34399112), (8, 21499445), (10, 17199556), (11, 15635960), (20, 8599778), (22, 7817980), (40, 4299889), (44, 3908990), (47, 3659480), (55, 3127192), (88, 1954495), (94, 1829740), (110, 1563596), (188, 914870), (220, 781798), (235, 731896), (376, 457435), (440, 390899), (470, 365948), (517, 332680), (940, 182974), (1034, 166340), (1880, 91487), (2068, 83170), (2585, 66536), (4136, 41585), (5170, 33268), (8317, 20680), (10340, 16634)]