206220000

素因数分解:

$2^5\times 3^1\times 5^4\times 7^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 240

約数和(自身を含む): 774652032

約数和(自身を除く): 568432032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 140, 150, 160, 168, 175, 200, 210, 224, 240, 250, 280, 300, 336, 350, 375, 400, 420, 480, 491, 500, 525, 560, 600, 625, 672, 700, 750, 800, 840, 875, 982, 1000, 1050, 1120, 1200, 1250, 1400, 1473, 1500, 1680, 1750, 1875, 1964, 2000, 2100, 2400, 2455, 2500, 2625, 2800, 2946, 3000, 3360, 3437, 3500, 3750, 3928, 4000, 4200, 4375, 4910, 5000, 5250, 5600, 5892, 6000, 6874, 7000, 7365, 7500, 7856, 8400, 8750, 9820, 10000, 10311, 10500, 11784, 12000, 12275, 13125, 13748, 14000, 14730, 15000, 15712, 16800, 17185, 17500, 19640, 20000, 20622, 21000, 23568, 24550, 26250, 27496, 28000, 29460, 30000, 34370, 35000, 36825, 39280, 41244, 42000, 47136, 49100, 51555, 52500, 54992, 58920, 60000, 61375, 68740, 70000, 73650, 78560, 82488, 84000, 85925, 98200, 103110, 105000, 109984, 117840, 122750, 137480, 140000, 147300, 164976, 171850, 184125, 196400, 206220, 210000, 235680, 245500, 257775, 274960, 294600, 306875, 329952, 343700, 368250, 392800, 412440, 420000, 429625, 491000, 515550, 549920, 589200, 613750, 687400, 736500, 824880, 859250, 920625, 982000, 1031100, 1178400, 1227500, 1288875, 1374800, 1473000, 1649760, 1718500, 1841250, 1964000, 2062200, 2148125, 2455000, 2577750, 2749600, 2946000, 3437000, 3682500, 4124400, 4296250, 4910000, 5155500, 5892000, 6444375, 6874000, 7365000, 8248800, 8592500, 9820000, 10311000, 12888750, 13748000, 14730000, 17185000, 20622000, 25777500, 29460000, 34370000, 41244000, 51555000, 68740000, 103110000, 206220000]

約数ペア:

[(1, 206220000), (2, 103110000), (3, 68740000), (4, 51555000), (5, 41244000), (6, 34370000), (7, 29460000), (8, 25777500), (10, 20622000), (12, 17185000), (14, 14730000), (15, 13748000), (16, 12888750), (20, 10311000), (21, 9820000), (24, 8592500), (25, 8248800), (28, 7365000), (30, 6874000), (32, 6444375), (35, 5892000), (40, 5155500), (42, 4910000), (48, 4296250), (50, 4124400), (56, 3682500), (60, 3437000), (70, 2946000), (75, 2749600), (80, 2577750), (84, 2455000), (96, 2148125), (100, 2062200), (105, 1964000), (112, 1841250), (120, 1718500), (125, 1649760), (140, 1473000), (150, 1374800), (160, 1288875), (168, 1227500), (175, 1178400), (200, 1031100), (210, 982000), (224, 920625), (240, 859250), (250, 824880), (280, 736500), (300, 687400), (336, 613750), (350, 589200), (375, 549920), (400, 515550), (420, 491000), (480, 429625), (491, 420000), (500, 412440), (525, 392800), (560, 368250), (600, 343700), (625, 329952), (672, 306875), (700, 294600), (750, 274960), (800, 257775), (840, 245500), (875, 235680), (982, 210000), (1000, 206220), (1050, 196400), (1120, 184125), (1200, 171850), (1250, 164976), (1400, 147300), (1473, 140000), (1500, 137480), (1680, 122750), (1750, 117840), (1875, 109984), (1964, 105000), (2000, 103110), (2100, 98200), (2400, 85925), (2455, 84000), (2500, 82488), (2625, 78560), (2800, 73650), (2946, 70000), (3000, 68740), (3360, 61375), (3437, 60000), (3500, 58920), (3750, 54992), (3928, 52500), (4000, 51555), (4200, 49100), (4375, 47136), (4910, 42000), (5000, 41244), (5250, 39280), (5600, 36825), (5892, 35000), (6000, 34370), (6874, 30000), (7000, 29460), (7365, 28000), (7500, 27496), (7856, 26250), (8400, 24550), (8750, 23568), (9820, 21000), (10000, 20622), (10311, 20000), (10500, 19640), (11784, 17500), (12000, 17185), (12275, 16800), (13125, 15712), (13748, 15000), (14000, 14730)]