8889450280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{278143}}^1$

素因数の和:278218

約数の個数: 64

約数和(自身を含む): 21628477440

約数和(自身を除く): 12739027160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 3196, 3995, 6392, 7990, 15980, 31960, 278143, 556286, 1112572, 1390715, 2225144, 2781430, 4728431, 5562860, 9456862, 11125720, 13072721, 18913724, 23642155, 26145442, 37827448, 47284310, 52290884, 65363605, 94568620, 104581768, 130727210, 189137240, 222236257, 261454420, 444472514, 522908840, 888945028, 1111181285, 1777890056, 2222362570, 4444725140, 8889450280]

約数ペア:

[(1, 8889450280), (2, 4444725140), (4, 2222362570), (5, 1777890056), (8, 1111181285), (10, 888945028), (17, 522908840), (20, 444472514), (34, 261454420), (40, 222236257), (47, 189137240), (68, 130727210), (85, 104581768), (94, 94568620), (136, 65363605), (170, 52290884), (188, 47284310), (235, 37827448), (340, 26145442), (376, 23642155), (470, 18913724), (680, 13072721), (799, 11125720), (940, 9456862), (1598, 5562860), (1880, 4728431), (3196, 2781430), (3995, 2225144), (6392, 1390715), (7990, 1112572), (15980, 556286), (31960, 278143)]