81629800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 218736000

約数和(自身を除く): 137106200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 199, 200, 280, 293, 350, 398, 586, 700, 796, 995, 1172, 1393, 1400, 1465, 1592, 1990, 2051, 2344, 2786, 2930, 3980, 4102, 4975, 5572, 5860, 6965, 7325, 7960, 8204, 9950, 10255, 11144, 11720, 13930, 14650, 16408, 19900, 20510, 27860, 29300, 34825, 39800, 41020, 51275, 55720, 58307, 58600, 69650, 82040, 102550, 116614, 139300, 205100, 233228, 278600, 291535, 408149, 410200, 466456, 583070, 816298, 1166140, 1457675, 1632596, 2040745, 2332280, 2915350, 3265192, 4081490, 5830700, 8162980, 10203725, 11661400, 16325960, 20407450, 40814900, 81629800]

約数ペア:

[(1, 81629800), (2, 40814900), (4, 20407450), (5, 16325960), (7, 11661400), (8, 10203725), (10, 8162980), (14, 5830700), (20, 4081490), (25, 3265192), (28, 2915350), (35, 2332280), (40, 2040745), (50, 1632596), (56, 1457675), (70, 1166140), (100, 816298), (140, 583070), (175, 466456), (199, 410200), (200, 408149), (280, 291535), (293, 278600), (350, 233228), (398, 205100), (586, 139300), (700, 116614), (796, 102550), (995, 82040), (1172, 69650), (1393, 58600), (1400, 58307), (1465, 55720), (1592, 51275), (1990, 41020), (2051, 39800), (2344, 34825), (2786, 29300), (2930, 27860), (3980, 20510), (4102, 19900), (4975, 16408), (5572, 14650), (5860, 13930), (6965, 11720), (7325, 11144), (7960, 10255), (8204, 9950)]