79718800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 120

約数和(自身を含む): 222521472

約数和(自身を除く): 142802672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 71, 80, 100, 112, 140, 142, 175, 200, 280, 284, 350, 355, 400, 401, 497, 560, 568, 700, 710, 802, 994, 1136, 1400, 1420, 1604, 1775, 1988, 2005, 2485, 2800, 2807, 2840, 3208, 3550, 3976, 4010, 4970, 5614, 5680, 6416, 7100, 7952, 8020, 9940, 10025, 11228, 12425, 14035, 14200, 16040, 19880, 20050, 22456, 24850, 28070, 28400, 28471, 32080, 39760, 40100, 44912, 49700, 56140, 56942, 70175, 80200, 99400, 112280, 113884, 140350, 142355, 160400, 198800, 199297, 224560, 227768, 280700, 284710, 398594, 455536, 561400, 569420, 711775, 797188, 996485, 1122800, 1138840, 1423550, 1594376, 1992970, 2277680, 2847100, 3188752, 3985940, 4982425, 5694200, 7971880, 9964850, 11388400, 15943760, 19929700, 39859400, 79718800]

約数ペア:

[(1, 79718800), (2, 39859400), (4, 19929700), (5, 15943760), (7, 11388400), (8, 9964850), (10, 7971880), (14, 5694200), (16, 4982425), (20, 3985940), (25, 3188752), (28, 2847100), (35, 2277680), (40, 1992970), (50, 1594376), (56, 1423550), (70, 1138840), (71, 1122800), (80, 996485), (100, 797188), (112, 711775), (140, 569420), (142, 561400), (175, 455536), (200, 398594), (280, 284710), (284, 280700), (350, 227768), (355, 224560), (400, 199297), (401, 198800), (497, 160400), (560, 142355), (568, 140350), (700, 113884), (710, 112280), (802, 99400), (994, 80200), (1136, 70175), (1400, 56942), (1420, 56140), (1604, 49700), (1775, 44912), (1988, 40100), (2005, 39760), (2485, 32080), (2800, 28471), (2807, 28400), (2840, 28070), (3208, 24850), (3550, 22456), (3976, 20050), (4010, 19880), (4970, 16040), (5614, 14200), (5680, 14035), (6416, 12425), (7100, 11228), (7952, 10025), (8020, 9940)]