222880000

素因数分解:

$2^8\times 5^4\times 7^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 180

約数和(自身を含む): 638545600

約数和(自身を除く): 415665600

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, 128, 140, 160, 175, 199, 200, 224, 250, 256, 280, 320, 350, 398, 400, 448, 500, 560, 625, 640, 700, 796, 800, 875, 896, 995, 1000, 1120, 1250, 1280, 1393, 1400, 1592, 1600, 1750, 1792, 1990, 2000, 2240, 2500, 2786, 2800, 3184, 3200, 3500, 3980, 4000, 4375, 4480, 4975, 5000, 5572, 5600, 6368, 6400, 6965, 7000, 7960, 8000, 8750, 8960, 9950, 10000, 11144, 11200, 12736, 13930, 14000, 15920, 16000, 17500, 19900, 20000, 22288, 22400, 24875, 25472, 27860, 28000, 31840, 32000, 34825, 35000, 39800, 40000, 44576, 44800, 49750, 50944, 55720, 56000, 63680, 69650, 70000, 79600, 80000, 89152, 99500, 111440, 112000, 124375, 127360, 139300, 140000, 159200, 160000, 174125, 178304, 199000, 222880, 224000, 248750, 254720, 278600, 280000, 318400, 348250, 356608, 398000, 445760, 497500, 557200, 560000, 636800, 696500, 796000, 870625, 891520, 995000, 1114400, 1120000, 1273600, 1393000, 1592000, 1741250, 1783040, 1990000, 2228800, 2786000, 3184000, 3482500, 3980000, 4457600, 5572000, 6368000, 6965000, 7960000, 8915200, 11144000, 13930000, 15920000, 22288000, 27860000, 31840000, 44576000, 55720000, 111440000, 222880000]

約数ペア:

[(1, 222880000), (2, 111440000), (4, 55720000), (5, 44576000), (7, 31840000), (8, 27860000), (10, 22288000), (14, 15920000), (16, 13930000), (20, 11144000), (25, 8915200), (28, 7960000), (32, 6965000), (35, 6368000), (40, 5572000), (50, 4457600), (56, 3980000), (64, 3482500), (70, 3184000), (80, 2786000), (100, 2228800), (112, 1990000), (125, 1783040), (128, 1741250), (140, 1592000), (160, 1393000), (175, 1273600), (199, 1120000), (200, 1114400), (224, 995000), (250, 891520), (256, 870625), (280, 796000), (320, 696500), (350, 636800), (398, 560000), (400, 557200), (448, 497500), (500, 445760), (560, 398000), (625, 356608), (640, 348250), (700, 318400), (796, 280000), (800, 278600), (875, 254720), (896, 248750), (995, 224000), (1000, 222880), (1120, 199000), (1250, 178304), (1280, 174125), (1393, 160000), (1400, 159200), (1592, 140000), (1600, 139300), (1750, 127360), (1792, 124375), (1990, 112000), (2000, 111440), (2240, 99500), (2500, 89152), (2786, 80000), (2800, 79600), (3184, 70000), (3200, 69650), (3500, 63680), (3980, 56000), (4000, 55720), (4375, 50944), (4480, 49750), (4975, 44800), (5000, 44576), (5572, 40000), (5600, 39800), (6368, 35000), (6400, 34825), (6965, 32000), (7000, 31840), (7960, 28000), (8000, 27860), (8750, 25472), (8960, 24875), (9950, 22400), (10000, 22288), (11144, 20000), (11200, 19900), (12736, 17500), (13930, 16000), (14000, 15920)]