18526900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:246

約数の個数: 108

約数和(自身を含む): 49476000

約数和(自身を除く): 30949100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 133, 140, 175, 190, 196, 199, 245, 266, 350, 380, 398, 475, 490, 532, 665, 700, 796, 931, 950, 980, 995, 1225, 1330, 1393, 1862, 1900, 1990, 2450, 2660, 2786, 3325, 3724, 3781, 3980, 4655, 4900, 4975, 5572, 6650, 6965, 7562, 9310, 9751, 9950, 13300, 13930, 15124, 18620, 18905, 19502, 19900, 23275, 26467, 27860, 34825, 37810, 39004, 46550, 48755, 52934, 69650, 75620, 93100, 94525, 97510, 105868, 132335, 139300, 185269, 189050, 195020, 243775, 264670, 370538, 378100, 487550, 529340, 661675, 741076, 926345, 975100, 1323350, 1852690, 2646700, 3705380, 4631725, 9263450, 18526900]

約数ペア:

[(1, 18526900), (2, 9263450), (4, 4631725), (5, 3705380), (7, 2646700), (10, 1852690), (14, 1323350), (19, 975100), (20, 926345), (25, 741076), (28, 661675), (35, 529340), (38, 487550), (49, 378100), (50, 370538), (70, 264670), (76, 243775), (95, 195020), (98, 189050), (100, 185269), (133, 139300), (140, 132335), (175, 105868), (190, 97510), (196, 94525), (199, 93100), (245, 75620), (266, 69650), (350, 52934), (380, 48755), (398, 46550), (475, 39004), (490, 37810), (532, 34825), (665, 27860), (700, 26467), (796, 23275), (931, 19900), (950, 19502), (980, 18905), (995, 18620), (1225, 15124), (1330, 13930), (1393, 13300), (1862, 9950), (1900, 9751), (1990, 9310), (2450, 7562), (2660, 6965), (2786, 6650), (3325, 5572), (3724, 4975), (3781, 4900), (3980, 4655)]