171227560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 451440000

約数和(自身を除く): 280212440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 199, 245, 280, 392, 398, 439, 490, 796, 878, 980, 995, 1393, 1592, 1756, 1960, 1990, 2195, 2786, 3073, 3512, 3980, 4390, 5572, 6146, 6965, 7960, 8780, 9751, 11144, 12292, 13930, 15365, 17560, 19502, 21511, 24584, 27860, 30730, 39004, 43022, 48755, 55720, 61460, 78008, 86044, 87361, 97510, 107555, 122920, 172088, 174722, 195020, 215110, 349444, 390040, 430220, 436805, 611527, 698888, 860440, 873610, 1223054, 1747220, 2446108, 3057635, 3494440, 4280689, 4892216, 6115270, 8561378, 12230540, 17122756, 21403445, 24461080, 34245512, 42806890, 85613780, 171227560]

約数ペア:

[(1, 171227560), (2, 85613780), (4, 42806890), (5, 34245512), (7, 24461080), (8, 21403445), (10, 17122756), (14, 12230540), (20, 8561378), (28, 6115270), (35, 4892216), (40, 4280689), (49, 3494440), (56, 3057635), (70, 2446108), (98, 1747220), (140, 1223054), (196, 873610), (199, 860440), (245, 698888), (280, 611527), (392, 436805), (398, 430220), (439, 390040), (490, 349444), (796, 215110), (878, 195020), (980, 174722), (995, 172088), (1393, 122920), (1592, 107555), (1756, 97510), (1960, 87361), (1990, 86044), (2195, 78008), (2786, 61460), (3073, 55720), (3512, 48755), (3980, 43022), (4390, 39004), (5572, 30730), (6146, 27860), (6965, 24584), (7960, 21511), (8780, 19502), (9751, 17560), (11144, 15365), (12292, 13930)]