254774128

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 610675200

約数和(自身を除く): 355901072

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 71, 92, 98, 112, 142, 161, 184, 196, 199, 284, 322, 368, 392, 398, 497, 568, 644, 784, 796, 994, 1127, 1136, 1288, 1393, 1592, 1633, 1988, 2254, 2576, 2786, 3184, 3266, 3479, 3976, 4508, 4577, 5572, 6532, 6958, 7952, 9016, 9154, 9751, 11144, 11431, 13064, 13916, 14129, 18032, 18308, 19502, 22288, 22862, 26128, 27832, 28258, 32039, 36616, 39004, 45724, 55664, 56516, 64078, 73232, 78008, 80017, 91448, 98903, 113032, 128156, 156016, 160034, 182896, 197806, 224273, 226064, 256312, 320068, 324967, 395612, 448546, 512624, 640136, 649934, 692321, 791224, 897092, 1280272, 1299868, 1384642, 1582448, 1794184, 2274769, 2599736, 2769284, 3588368, 4549538, 5199472, 5538568, 9099076, 11077136, 15923383, 18198152, 31846766, 36396304, 63693532, 127387064, 254774128]

約数ペア:

[(1, 254774128), (2, 127387064), (4, 63693532), (7, 36396304), (8, 31846766), (14, 18198152), (16, 15923383), (23, 11077136), (28, 9099076), (46, 5538568), (49, 5199472), (56, 4549538), (71, 3588368), (92, 2769284), (98, 2599736), (112, 2274769), (142, 1794184), (161, 1582448), (184, 1384642), (196, 1299868), (199, 1280272), (284, 897092), (322, 791224), (368, 692321), (392, 649934), (398, 640136), (497, 512624), (568, 448546), (644, 395612), (784, 324967), (796, 320068), (994, 256312), (1127, 226064), (1136, 224273), (1288, 197806), (1393, 182896), (1592, 160034), (1633, 156016), (1988, 128156), (2254, 113032), (2576, 98903), (2786, 91448), (3184, 80017), (3266, 78008), (3479, 73232), (3976, 64078), (4508, 56516), (4577, 55664), (5572, 45724), (6532, 39004), (6958, 36616), (7952, 32039), (9016, 28258), (9154, 27832), (9751, 26128), (11144, 22862), (11431, 22288), (13064, 19502), (13916, 18308), (14129, 18032)]