279671840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3517}}^1$

素因数の和:3610

約数の個数: 96

約数和(自身を含む): 765967104

約数和(自身を除く): 486295264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 994, 1120, 1136, 1420, 1988, 2272, 2485, 2840, 3517, 3976, 4970, 5680, 7034, 7952, 9940, 11360, 14068, 15904, 17585, 19880, 24619, 28136, 35170, 39760, 49238, 56272, 70340, 79520, 98476, 112544, 123095, 140680, 196952, 246190, 249707, 281360, 393904, 492380, 499414, 562720, 787808, 984760, 998828, 1248535, 1747949, 1969520, 1997656, 2497070, 3495898, 3939040, 3995312, 4994140, 6991796, 7990624, 8739745, 9988280, 13983592, 17479490, 19976560, 27967184, 34958980, 39953120, 55934368, 69917960, 139835920, 279671840]

約数ペア:

[(1, 279671840), (2, 139835920), (4, 69917960), (5, 55934368), (7, 39953120), (8, 34958980), (10, 27967184), (14, 19976560), (16, 17479490), (20, 13983592), (28, 9988280), (32, 8739745), (35, 7990624), (40, 6991796), (56, 4994140), (70, 3995312), (71, 3939040), (80, 3495898), (112, 2497070), (140, 1997656), (142, 1969520), (160, 1747949), (224, 1248535), (280, 998828), (284, 984760), (355, 787808), (497, 562720), (560, 499414), (568, 492380), (710, 393904), (994, 281360), (1120, 249707), (1136, 246190), (1420, 196952), (1988, 140680), (2272, 123095), (2485, 112544), (2840, 98476), (3517, 79520), (3976, 70340), (4970, 56272), (5680, 49238), (7034, 39760), (7952, 35170), (9940, 28136), (11360, 24619), (14068, 19880), (15904, 17585)]