257899488

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 192

約数和(自身を含む): 853493760

約数和(自身を除く): 595594272

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 112, 132, 139, 154, 168, 176, 224, 231, 251, 264, 278, 308, 336, 352, 417, 462, 502, 528, 556, 616, 672, 753, 834, 924, 973, 1004, 1056, 1112, 1232, 1506, 1529, 1668, 1757, 1848, 1946, 2008, 2224, 2464, 2761, 2919, 3012, 3058, 3336, 3514, 3696, 3892, 4016, 4448, 4587, 5271, 5522, 5838, 6024, 6116, 6672, 7028, 7392, 7784, 8032, 8283, 9174, 10542, 10703, 11044, 11676, 12048, 12232, 13344, 14056, 15568, 16566, 18348, 19327, 21084, 21406, 22088, 23352, 24096, 24464, 28112, 31136, 32109, 33132, 34889, 36696, 38654, 42168, 42812, 44176, 46704, 48928, 56224, 57981, 64218, 66264, 69778, 73392, 77308, 84336, 85624, 88352, 93408, 104667, 115962, 128436, 132528, 139556, 146784, 154616, 168672, 171248, 209334, 231924, 244223, 256872, 265056, 279112, 309232, 342496, 383779, 418668, 463848, 488446, 513744, 558224, 618464, 732669, 767558, 837336, 927696, 976892, 1027488, 1116448, 1151337, 1465338, 1535116, 1674672, 1855392, 1953784, 2302674, 2686453, 2930676, 3070232, 3349344, 3907568, 4605348, 5372906, 5861352, 6140464, 7815136, 8059359, 9210696, 10745812, 11722704, 12280928, 16118718, 18421392, 21491624, 23445408, 32237436, 36842784, 42983248, 64474872, 85966496, 128949744, 257899488]

約数ペア:

[(1, 257899488), (2, 128949744), (3, 85966496), (4, 64474872), (6, 42983248), (7, 36842784), (8, 32237436), (11, 23445408), (12, 21491624), (14, 18421392), (16, 16118718), (21, 12280928), (22, 11722704), (24, 10745812), (28, 9210696), (32, 8059359), (33, 7815136), (42, 6140464), (44, 5861352), (48, 5372906), (56, 4605348), (66, 3907568), (77, 3349344), (84, 3070232), (88, 2930676), (96, 2686453), (112, 2302674), (132, 1953784), (139, 1855392), (154, 1674672), (168, 1535116), (176, 1465338), (224, 1151337), (231, 1116448), (251, 1027488), (264, 976892), (278, 927696), (308, 837336), (336, 767558), (352, 732669), (417, 618464), (462, 558224), (502, 513744), (528, 488446), (556, 463848), (616, 418668), (672, 383779), (753, 342496), (834, 309232), (924, 279112), (973, 265056), (1004, 256872), (1056, 244223), (1112, 231924), (1232, 209334), (1506, 171248), (1529, 168672), (1668, 154616), (1757, 146784), (1848, 139556), (1946, 132528), (2008, 128436), (2224, 115962), (2464, 104667), (2761, 93408), (2919, 88352), (3012, 85624), (3058, 84336), (3336, 77308), (3514, 73392), (3696, 69778), (3892, 66264), (4016, 64218), (4448, 57981), (4587, 56224), (5271, 48928), (5522, 46704), (5838, 44176), (6024, 42812), (6116, 42168), (6672, 38654), (7028, 36696), (7392, 34889), (7784, 33132), (8032, 32109), (8283, 31136), (9174, 28112), (10542, 24464), (10703, 24096), (11044, 23352), (11676, 22088), (12048, 21406), (12232, 21084), (13344, 19327), (14056, 18348), (15568, 16566)]