85195880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 241920000

約数和(自身を除く): 156724120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 139, 140, 154, 199, 220, 278, 280, 308, 385, 398, 440, 556, 616, 695, 770, 796, 973, 995, 1112, 1390, 1393, 1529, 1540, 1592, 1946, 1990, 2189, 2780, 2786, 3058, 3080, 3892, 3980, 4378, 4865, 5560, 5572, 6116, 6965, 7645, 7784, 7960, 8756, 9730, 10703, 10945, 11144, 12232, 13930, 15290, 15323, 17512, 19460, 21406, 21890, 27661, 27860, 30580, 30646, 38920, 42812, 43780, 53515, 55322, 55720, 61160, 61292, 76615, 85624, 87560, 107030, 110644, 122584, 138305, 153230, 193627, 214060, 221288, 276610, 304271, 306460, 387254, 428120, 553220, 608542, 612920, 774508, 968135, 1106440, 1217084, 1521355, 1549016, 1936270, 2129897, 2434168, 3042710, 3872540, 4259794, 6085420, 7745080, 8519588, 10649485, 12170840, 17039176, 21298970, 42597940, 85195880]

約数ペア:

[(1, 85195880), (2, 42597940), (4, 21298970), (5, 17039176), (7, 12170840), (8, 10649485), (10, 8519588), (11, 7745080), (14, 6085420), (20, 4259794), (22, 3872540), (28, 3042710), (35, 2434168), (40, 2129897), (44, 1936270), (55, 1549016), (56, 1521355), (70, 1217084), (77, 1106440), (88, 968135), (110, 774508), (139, 612920), (140, 608542), (154, 553220), (199, 428120), (220, 387254), (278, 306460), (280, 304271), (308, 276610), (385, 221288), (398, 214060), (440, 193627), (556, 153230), (616, 138305), (695, 122584), (770, 110644), (796, 107030), (973, 87560), (995, 85624), (1112, 76615), (1390, 61292), (1393, 61160), (1529, 55720), (1540, 55322), (1592, 53515), (1946, 43780), (1990, 42812), (2189, 38920), (2780, 30646), (2786, 30580), (3058, 27860), (3080, 27661), (3892, 21890), (3980, 21406), (4378, 19460), (4865, 17512), (5560, 15323), (5572, 15290), (6116, 13930), (6965, 12232), (7645, 11144), (7784, 10945), (7960, 10703), (8756, 9730)]