78008000

素因数分解:

$2^6\times 5^3\times 7^2\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 168

約数和(自身を含む): 225856800

約数和(自身を除く): 147848800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 199, 200, 224, 245, 250, 280, 320, 350, 392, 398, 400, 448, 490, 500, 560, 700, 784, 796, 800, 875, 980, 995, 1000, 1120, 1225, 1393, 1400, 1568, 1592, 1600, 1750, 1960, 1990, 2000, 2240, 2450, 2786, 2800, 3136, 3184, 3500, 3920, 3980, 4000, 4900, 4975, 5572, 5600, 6125, 6368, 6965, 7000, 7840, 7960, 8000, 9751, 9800, 9950, 11144, 11200, 12250, 12736, 13930, 14000, 15680, 15920, 19502, 19600, 19900, 22288, 24500, 24875, 27860, 28000, 31840, 34825, 39004, 39200, 39800, 44576, 48755, 49000, 49750, 55720, 56000, 63680, 69650, 78008, 78400, 79600, 89152, 97510, 98000, 99500, 111440, 139300, 156016, 159200, 174125, 195020, 196000, 199000, 222880, 243775, 278600, 312032, 318400, 348250, 390040, 392000, 398000, 445760, 487550, 557200, 624064, 696500, 780080, 796000, 975100, 1114400, 1218875, 1393000, 1560160, 1592000, 1950200, 2228800, 2437750, 2786000, 3120320, 3900400, 4875500, 5572000, 7800800, 9751000, 11144000, 15601600, 19502000, 39004000, 78008000]

約数ペア:

[(1, 78008000), (2, 39004000), (4, 19502000), (5, 15601600), (7, 11144000), (8, 9751000), (10, 7800800), (14, 5572000), (16, 4875500), (20, 3900400), (25, 3120320), (28, 2786000), (32, 2437750), (35, 2228800), (40, 1950200), (49, 1592000), (50, 1560160), (56, 1393000), (64, 1218875), (70, 1114400), (80, 975100), (98, 796000), (100, 780080), (112, 696500), (125, 624064), (140, 557200), (160, 487550), (175, 445760), (196, 398000), (199, 392000), (200, 390040), (224, 348250), (245, 318400), (250, 312032), (280, 278600), (320, 243775), (350, 222880), (392, 199000), (398, 196000), (400, 195020), (448, 174125), (490, 159200), (500, 156016), (560, 139300), (700, 111440), (784, 99500), (796, 98000), (800, 97510), (875, 89152), (980, 79600), (995, 78400), (1000, 78008), (1120, 69650), (1225, 63680), (1393, 56000), (1400, 55720), (1568, 49750), (1592, 49000), (1600, 48755), (1750, 44576), (1960, 39800), (1990, 39200), (2000, 39004), (2240, 34825), (2450, 31840), (2786, 28000), (2800, 27860), (3136, 24875), (3184, 24500), (3500, 22288), (3920, 19900), (3980, 19600), (4000, 19502), (4900, 15920), (4975, 15680), (5572, 14000), (5600, 13930), (6125, 12736), (6368, 12250), (6965, 11200), (7000, 11144), (7840, 9950), (7960, 9800), (8000, 9751)]