388878000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 320

約数和(自身を含む): 1470763008

約数和(自身を除く): 1081885008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 47, 48, 50, 56, 60, 70, 75, 80, 84, 94, 100, 105, 112, 120, 125, 140, 141, 150, 168, 175, 188, 197, 200, 210, 235, 240, 250, 280, 282, 300, 329, 336, 350, 375, 376, 394, 400, 420, 470, 500, 525, 560, 564, 591, 600, 658, 700, 705, 750, 752, 788, 840, 875, 940, 985, 987, 1000, 1050, 1128, 1175, 1182, 1200, 1316, 1379, 1400, 1410, 1500, 1576, 1645, 1680, 1750, 1880, 1970, 1974, 2000, 2100, 2256, 2350, 2364, 2625, 2632, 2758, 2800, 2820, 2955, 3000, 3152, 3290, 3500, 3525, 3760, 3940, 3948, 4137, 4200, 4700, 4728, 4925, 4935, 5250, 5264, 5516, 5640, 5875, 5910, 6000, 6580, 6895, 7000, 7050, 7880, 7896, 8225, 8274, 8400, 9259, 9400, 9456, 9850, 9870, 10500, 11032, 11280, 11750, 11820, 13160, 13790, 14000, 14100, 14775, 15760, 15792, 16450, 16548, 17625, 18518, 18800, 19700, 19740, 20685, 21000, 22064, 23500, 23640, 24625, 24675, 26320, 27580, 27777, 28200, 29550, 32900, 33096, 34475, 35250, 37036, 39400, 39480, 41125, 41370, 42000, 46295, 47000, 47280, 49250, 49350, 55160, 55554, 56400, 59100, 64813, 65800, 66192, 68950, 70500, 73875, 74072, 78800, 78960, 82250, 82740, 92590, 94000, 98500, 98700, 103425, 110320, 111108, 118200, 123375, 129626, 131600, 137900, 138885, 141000, 147750, 148144, 164500, 165480, 172375, 185180, 194439, 197000, 197400, 206850, 222216, 231475, 236400, 246750, 259252, 275800, 277770, 282000, 295500, 324065, 329000, 330960, 344750, 370360, 388878, 394000, 394800, 413700, 444432, 462950, 493500, 517125, 518504, 551600, 555540, 591000, 648130, 658000, 689500, 694425, 740720, 777756, 827400, 925900, 972195, 987000, 1034250, 1037008, 1111080, 1157375, 1182000, 1296260, 1379000, 1388850, 1555512, 1620325, 1654800, 1851800, 1944390, 1974000, 2068500, 2222160, 2314750, 2592520, 2758000, 2777700, 3111024, 3240650, 3472125, 3703600, 3888780, 4137000, 4629500, 4860975, 5185040, 5555400, 6481300, 6944250, 7777560, 8101625, 8274000, 9259000, 9721950, 11110800, 12962600, 13888500, 15555120, 16203250, 18518000, 19443900, 24304875, 25925200, 27777000, 32406500, 38887800, 48609750, 55554000, 64813000, 77775600, 97219500, 129626000, 194439000, 388878000]

約数ペア:

[(1, 388878000), (2, 194439000), (3, 129626000), (4, 97219500), (5, 77775600), (6, 64813000), (7, 55554000), (8, 48609750), (10, 38887800), (12, 32406500), (14, 27777000), (15, 25925200), (16, 24304875), (20, 19443900), (21, 18518000), (24, 16203250), (25, 15555120), (28, 13888500), (30, 12962600), (35, 11110800), (40, 9721950), (42, 9259000), (47, 8274000), (48, 8101625), (50, 7777560), (56, 6944250), (60, 6481300), (70, 5555400), (75, 5185040), (80, 4860975), (84, 4629500), (94, 4137000), (100, 3888780), (105, 3703600), (112, 3472125), (120, 3240650), (125, 3111024), (140, 2777700), (141, 2758000), (150, 2592520), (168, 2314750), (175, 2222160), (188, 2068500), (197, 1974000), (200, 1944390), (210, 1851800), (235, 1654800), (240, 1620325), (250, 1555512), (280, 1388850), (282, 1379000), (300, 1296260), (329, 1182000), (336, 1157375), (350, 1111080), (375, 1037008), (376, 1034250), (394, 987000), (400, 972195), (420, 925900), (470, 827400), (500, 777756), (525, 740720), (560, 694425), (564, 689500), (591, 658000), (600, 648130), (658, 591000), (700, 555540), (705, 551600), (750, 518504), (752, 517125), (788, 493500), (840, 462950), (875, 444432), (940, 413700), (985, 394800), (987, 394000), (1000, 388878), (1050, 370360), (1128, 344750), (1175, 330960), (1182, 329000), (1200, 324065), (1316, 295500), (1379, 282000), (1400, 277770), (1410, 275800), (1500, 259252), (1576, 246750), (1645, 236400), (1680, 231475), (1750, 222216), (1880, 206850), (1970, 197400), (1974, 197000), (2000, 194439), (2100, 185180), (2256, 172375), (2350, 165480), (2364, 164500), (2625, 148144), (2632, 147750), (2758, 141000), (2800, 138885), (2820, 137900), (2955, 131600), (3000, 129626), (3152, 123375), (3290, 118200), (3500, 111108), (3525, 110320), (3760, 103425), (3940, 98700), (3948, 98500), (4137, 94000), (4200, 92590), (4700, 82740), (4728, 82250), (4925, 78960), (4935, 78800), (5250, 74072), (5264, 73875), (5516, 70500), (5640, 68950), (5875, 66192), (5910, 65800), (6000, 64813), (6580, 59100), (6895, 56400), (7000, 55554), (7050, 55160), (7880, 49350), (7896, 49250), (8225, 47280), (8274, 47000), (8400, 46295), (9259, 42000), (9400, 41370), (9456, 41125), (9850, 39480), (9870, 39400), (10500, 37036), (11032, 35250), (11280, 34475), (11750, 33096), (11820, 32900), (13160, 29550), (13790, 28200), (14000, 27777), (14100, 27580), (14775, 26320), (15760, 24675), (15792, 24625), (16450, 23640), (16548, 23500), (17625, 22064), (18518, 21000), (18800, 20685), (19700, 19740)]