68257000

素因数分解:

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

素因数の和:241

約数の個数: 128

約数和(自身を含む): 187200000

約数和(自身を除く): 118943000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 199, 200, 245, 250, 280, 343, 350, 392, 398, 490, 500, 686, 700, 796, 875, 980, 995, 1000, 1225, 1372, 1393, 1400, 1592, 1715, 1750, 1960, 1990, 2450, 2744, 2786, 3430, 3500, 3980, 4900, 4975, 5572, 6125, 6860, 6965, 7000, 7960, 8575, 9751, 9800, 9950, 11144, 12250, 13720, 13930, 17150, 19502, 19900, 24500, 24875, 27860, 34300, 34825, 39004, 39800, 42875, 48755, 49000, 49750, 55720, 68257, 68600, 69650, 78008, 85750, 97510, 99500, 136514, 139300, 171500, 174125, 195020, 199000, 243775, 273028, 278600, 341285, 343000, 348250, 390040, 487550, 546056, 682570, 696500, 975100, 1218875, 1365140, 1393000, 1706425, 1950200, 2437750, 2730280, 3412850, 4875500, 6825700, 8532125, 9751000, 13651400, 17064250, 34128500, 68257000]

約数ペア:

[(1, 68257000), (2, 34128500), (4, 17064250), (5, 13651400), (7, 9751000), (8, 8532125), (10, 6825700), (14, 4875500), (20, 3412850), (25, 2730280), (28, 2437750), (35, 1950200), (40, 1706425), (49, 1393000), (50, 1365140), (56, 1218875), (70, 975100), (98, 696500), (100, 682570), (125, 546056), (140, 487550), (175, 390040), (196, 348250), (199, 343000), (200, 341285), (245, 278600), (250, 273028), (280, 243775), (343, 199000), (350, 195020), (392, 174125), (398, 171500), (490, 139300), (500, 136514), (686, 99500), (700, 97510), (796, 85750), (875, 78008), (980, 69650), (995, 68600), (1000, 68257), (1225, 55720), (1372, 49750), (1393, 49000), (1400, 48755), (1592, 42875), (1715, 39800), (1750, 39004), (1960, 34825), (1990, 34300), (2450, 27860), (2744, 24875), (2786, 24500), (3430, 19900), (3500, 19502), (3980, 17150), (4900, 13930), (4975, 13720), (5572, 12250), (6125, 11144), (6860, 9950), (6965, 9800), (7000, 9751), (7960, 8575)]