78274000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{5591}}^1$

素因数の和:5621

約数の個数: 80

約数和(自身を含む): 216343296

約数和(自身を除く): 138069296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2800, 3500, 5591, 7000, 11182, 14000, 22364, 27955, 39137, 44728, 55910, 78274, 89456, 111820, 139775, 156548, 195685, 223640, 279550, 313096, 391370, 447280, 559100, 626192, 698875, 782740, 978425, 1118200, 1397750, 1565480, 1956850, 2236400, 2795500, 3130960, 3913700, 4892125, 5591000, 7827400, 9784250, 11182000, 15654800, 19568500, 39137000, 78274000]

約数ペア:

[(1, 78274000), (2, 39137000), (4, 19568500), (5, 15654800), (7, 11182000), (8, 9784250), (10, 7827400), (14, 5591000), (16, 4892125), (20, 3913700), (25, 3130960), (28, 2795500), (35, 2236400), (40, 1956850), (50, 1565480), (56, 1397750), (70, 1118200), (80, 978425), (100, 782740), (112, 698875), (125, 626192), (140, 559100), (175, 447280), (200, 391370), (250, 313096), (280, 279550), (350, 223640), (400, 195685), (500, 156548), (560, 139775), (700, 111820), (875, 89456), (1000, 78274), (1400, 55910), (1750, 44728), (2000, 39137), (2800, 27955), (3500, 22364), (5591, 14000), (7000, 11182)]