1380491968

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{4523}}^1$

素因数の和:4805

約数の個数: 56

約数和(自身を含む): 2895721920

約数和(自身を除く): 1515229952

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 251, 304, 502, 608, 1004, 1216, 2008, 4016, 4523, 4769, 8032, 9046, 9538, 16064, 18092, 19076, 36184, 38152, 72368, 76304, 85937, 144736, 152608, 171874, 289472, 305216, 343748, 687496, 1135273, 1374992, 2270546, 2749984, 4541092, 5499968, 9082184, 18164368, 21570187, 36328736, 43140374, 72657472, 86280748, 172561496, 345122992, 690245984, 1380491968]

約数ペア:

[(1, 1380491968), (2, 690245984), (4, 345122992), (8, 172561496), (16, 86280748), (19, 72657472), (32, 43140374), (38, 36328736), (64, 21570187), (76, 18164368), (152, 9082184), (251, 5499968), (304, 4541092), (502, 2749984), (608, 2270546), (1004, 1374992), (1216, 1135273), (2008, 687496), (4016, 343748), (4523, 305216), (4769, 289472), (8032, 171874), (9046, 152608), (9538, 144736), (16064, 85937), (18092, 76304), (19076, 72368), (36184, 38152)]