890450176

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 2236953600

約数和(自身を除く): 1346503424

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 199, 224, 227, 256, 308, 352, 398, 448, 454, 616, 704, 796, 896, 908, 1232, 1393, 1408, 1589, 1592, 1792, 1816, 2189, 2464, 2497, 2786, 2816, 3178, 3184, 3632, 4378, 4928, 4994, 5572, 6356, 6368, 7264, 8756, 9856, 9988, 11144, 12712, 12736, 14528, 15323, 17479, 17512, 19712, 19976, 22288, 25424, 25472, 29056, 30646, 34958, 35024, 39952, 44576, 45173, 50848, 50944, 58112, 61292, 69916, 70048, 79904, 89152, 90346, 101696, 122584, 139832, 140096, 159808, 178304, 180692, 203392, 245168, 279664, 280192, 316211, 319616, 356608, 361384, 406784, 490336, 496903, 559328, 560384, 632422, 639232, 722768, 980672, 993806, 1118656, 1264844, 1445536, 1961344, 1987612, 2237312, 2529688, 2891072, 3478321, 3922688, 3975224, 4474624, 5059376, 5782144, 6956642, 7950448, 10118752, 11564288, 13913284, 15900896, 20237504, 27826568, 31801792, 40475008, 55653136, 63603584, 80950016, 111306272, 127207168, 222612544, 445225088, 890450176]

約数ペア:

[(1, 890450176), (2, 445225088), (4, 222612544), (7, 127207168), (8, 111306272), (11, 80950016), (14, 63603584), (16, 55653136), (22, 40475008), (28, 31801792), (32, 27826568), (44, 20237504), (56, 15900896), (64, 13913284), (77, 11564288), (88, 10118752), (112, 7950448), (128, 6956642), (154, 5782144), (176, 5059376), (199, 4474624), (224, 3975224), (227, 3922688), (256, 3478321), (308, 2891072), (352, 2529688), (398, 2237312), (448, 1987612), (454, 1961344), (616, 1445536), (704, 1264844), (796, 1118656), (896, 993806), (908, 980672), (1232, 722768), (1393, 639232), (1408, 632422), (1589, 560384), (1592, 559328), (1792, 496903), (1816, 490336), (2189, 406784), (2464, 361384), (2497, 356608), (2786, 319616), (2816, 316211), (3178, 280192), (3184, 279664), (3632, 245168), (4378, 203392), (4928, 180692), (4994, 178304), (5572, 159808), (6356, 140096), (6368, 139832), (7264, 122584), (8756, 101696), (9856, 90346), (9988, 89152), (11144, 79904), (12712, 70048), (12736, 69916), (14528, 61292), (15323, 58112), (17479, 50944), (17512, 50848), (19712, 45173), (19976, 44576), (22288, 39952), (25424, 35024), (25472, 34958), (29056, 30646)]