27860000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{199}}^1$

素因数の和:236

約数の個数: 120

約数和(自身を含む): 78724800

約数和(自身を除く): 50864800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 199, 200, 224, 250, 280, 350, 398, 400, 500, 560, 625, 700, 796, 800, 875, 995, 1000, 1120, 1250, 1393, 1400, 1592, 1750, 1990, 2000, 2500, 2786, 2800, 3184, 3500, 3980, 4000, 4375, 4975, 5000, 5572, 5600, 6368, 6965, 7000, 7960, 8750, 9950, 10000, 11144, 13930, 14000, 15920, 17500, 19900, 20000, 22288, 24875, 27860, 28000, 31840, 34825, 35000, 39800, 44576, 49750, 55720, 69650, 70000, 79600, 99500, 111440, 124375, 139300, 140000, 159200, 174125, 199000, 222880, 248750, 278600, 348250, 398000, 497500, 557200, 696500, 796000, 870625, 995000, 1114400, 1393000, 1741250, 1990000, 2786000, 3482500, 3980000, 5572000, 6965000, 13930000, 27860000]

約数ペア:

[(1, 27860000), (2, 13930000), (4, 6965000), (5, 5572000), (7, 3980000), (8, 3482500), (10, 2786000), (14, 1990000), (16, 1741250), (20, 1393000), (25, 1114400), (28, 995000), (32, 870625), (35, 796000), (40, 696500), (50, 557200), (56, 497500), (70, 398000), (80, 348250), (100, 278600), (112, 248750), (125, 222880), (140, 199000), (160, 174125), (175, 159200), (199, 140000), (200, 139300), (224, 124375), (250, 111440), (280, 99500), (350, 79600), (398, 70000), (400, 69650), (500, 55720), (560, 49750), (625, 44576), (700, 39800), (796, 35000), (800, 34825), (875, 31840), (995, 28000), (1000, 27860), (1120, 24875), (1250, 22288), (1393, 20000), (1400, 19900), (1592, 17500), (1750, 15920), (1990, 14000), (2000, 13930), (2500, 11144), (2786, 10000), (2800, 9950), (3184, 8750), (3500, 7960), (3980, 7000), (4000, 6965), (4375, 6368), (4975, 5600), (5000, 5572)]