231088144

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 524966400

約数和(自身を除く): 293878256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 97, 112, 178, 194, 239, 356, 388, 478, 623, 679, 712, 776, 956, 1246, 1358, 1424, 1552, 1673, 1912, 2492, 2716, 3346, 3824, 4984, 5432, 6692, 8633, 9968, 10864, 13384, 17266, 21271, 23183, 26768, 34532, 42542, 46366, 60431, 69064, 85084, 92732, 120862, 138128, 148897, 162281, 170168, 185464, 241724, 297794, 324562, 340336, 370928, 483448, 595588, 649124, 966896, 1191176, 1298248, 2063287, 2382352, 2596496, 4126574, 8253148, 14443009, 16506296, 28886018, 33012592, 57772036, 115544072, 231088144]

約数ペア:

[(1, 231088144), (2, 115544072), (4, 57772036), (7, 33012592), (8, 28886018), (14, 16506296), (16, 14443009), (28, 8253148), (56, 4126574), (89, 2596496), (97, 2382352), (112, 2063287), (178, 1298248), (194, 1191176), (239, 966896), (356, 649124), (388, 595588), (478, 483448), (623, 370928), (679, 340336), (712, 324562), (776, 297794), (956, 241724), (1246, 185464), (1358, 170168), (1424, 162281), (1552, 148897), (1673, 138128), (1912, 120862), (2492, 92732), (2716, 85084), (3346, 69064), (3824, 60431), (4984, 46366), (5432, 42542), (6692, 34532), (8633, 26768), (9968, 23183), (10864, 21271), (13384, 17266)]