55720000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{199}}^1$

素因数の和:238

約数の個数: 140

約数和(自身を含む): 158699200

約数和(自身を除く): 102979200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 199, 200, 224, 250, 280, 320, 350, 398, 400, 448, 500, 560, 625, 700, 796, 800, 875, 995, 1000, 1120, 1250, 1393, 1400, 1592, 1600, 1750, 1990, 2000, 2240, 2500, 2786, 2800, 3184, 3500, 3980, 4000, 4375, 4975, 5000, 5572, 5600, 6368, 6965, 7000, 7960, 8000, 8750, 9950, 10000, 11144, 11200, 12736, 13930, 14000, 15920, 17500, 19900, 20000, 22288, 24875, 27860, 28000, 31840, 34825, 35000, 39800, 40000, 44576, 49750, 55720, 56000, 63680, 69650, 70000, 79600, 89152, 99500, 111440, 124375, 139300, 140000, 159200, 174125, 199000, 222880, 248750, 278600, 280000, 318400, 348250, 398000, 445760, 497500, 557200, 696500, 796000, 870625, 995000, 1114400, 1393000, 1592000, 1741250, 1990000, 2228800, 2786000, 3482500, 3980000, 5572000, 6965000, 7960000, 11144000, 13930000, 27860000, 55720000]

約数ペア:

[(1, 55720000), (2, 27860000), (4, 13930000), (5, 11144000), (7, 7960000), (8, 6965000), (10, 5572000), (14, 3980000), (16, 3482500), (20, 2786000), (25, 2228800), (28, 1990000), (32, 1741250), (35, 1592000), (40, 1393000), (50, 1114400), (56, 995000), (64, 870625), (70, 796000), (80, 696500), (100, 557200), (112, 497500), (125, 445760), (140, 398000), (160, 348250), (175, 318400), (199, 280000), (200, 278600), (224, 248750), (250, 222880), (280, 199000), (320, 174125), (350, 159200), (398, 140000), (400, 139300), (448, 124375), (500, 111440), (560, 99500), (625, 89152), (700, 79600), (796, 70000), (800, 69650), (875, 63680), (995, 56000), (1000, 55720), (1120, 49750), (1250, 44576), (1393, 40000), (1400, 39800), (1592, 35000), (1600, 34825), (1750, 31840), (1990, 28000), (2000, 27860), (2240, 24875), (2500, 22288), (2786, 20000), (2800, 19900), (3184, 17500), (3500, 15920), (3980, 14000), (4000, 13930), (4375, 12736), (4975, 11200), (5000, 11144), (5572, 10000), (5600, 9950), (6368, 8750), (6965, 8000), (7000, 7960)]