205212000

素因数分解:

$2^5\times 3^1\times 5^3\times 7^2\times {\mathrm{349}}^1$

素因数の和:391

約数の個数: 288

約数和(自身を含む): 784274400

約数和(自身を除く): 579062400

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, 49, 50, 56, 60, 70, 75, 80, 84, 96, 98, 100, 105, 112, 120, 125, 140, 147, 150, 160, 168, 175, 196, 200, 210, 224, 240, 245, 250, 280, 294, 300, 336, 349, 350, 375, 392, 400, 420, 480, 490, 500, 525, 560, 588, 600, 672, 698, 700, 735, 750, 784, 800, 840, 875, 980, 1000, 1047, 1050, 1120, 1176, 1200, 1225, 1396, 1400, 1470, 1500, 1568, 1680, 1745, 1750, 1960, 2000, 2094, 2100, 2352, 2400, 2443, 2450, 2625, 2792, 2800, 2940, 3000, 3360, 3490, 3500, 3675, 3920, 4000, 4188, 4200, 4704, 4886, 4900, 5235, 5250, 5584, 5600, 5880, 6000, 6125, 6980, 7000, 7329, 7350, 7840, 8376, 8400, 8725, 9772, 9800, 10470, 10500, 11168, 11760, 12000, 12215, 12250, 13960, 14000, 14658, 14700, 16752, 16800, 17101, 17450, 18375, 19544, 19600, 20940, 21000, 23520, 24430, 24500, 26175, 27920, 28000, 29316, 29400, 33504, 34202, 34900, 36645, 36750, 39088, 39200, 41880, 42000, 43625, 48860, 49000, 51303, 52350, 55840, 58632, 58800, 61075, 68404, 69800, 73290, 73500, 78176, 83760, 84000, 85505, 87250, 97720, 98000, 102606, 104700, 117264, 117600, 122150, 130875, 136808, 139600, 146580, 147000, 167520, 171010, 174500, 183225, 195440, 196000, 205212, 209400, 234528, 244300, 256515, 261750, 273616, 279200, 293160, 294000, 305375, 342020, 349000, 366450, 390880, 410424, 418800, 427525, 488600, 513030, 523500, 547232, 586320, 588000, 610750, 684040, 698000, 732900, 820848, 837600, 855050, 916125, 977200, 1026060, 1047000, 1172640, 1221500, 1282575, 1368080, 1396000, 1465800, 1641696, 1710100, 1832250, 1954400, 2052120, 2094000, 2137625, 2443000, 2565150, 2736160, 2931600, 3420200, 3664500, 4104240, 4188000, 4275250, 4886000, 5130300, 5863200, 6412875, 6840400, 7329000, 8208480, 8550500, 9772000, 10260600, 12825750, 13680800, 14658000, 17101000, 20521200, 25651500, 29316000, 34202000, 41042400, 51303000, 68404000, 102606000, 205212000]

約数ペア:

[(1, 205212000), (2, 102606000), (3, 68404000), (4, 51303000), (5, 41042400), (6, 34202000), (7, 29316000), (8, 25651500), (10, 20521200), (12, 17101000), (14, 14658000), (15, 13680800), (16, 12825750), (20, 10260600), (21, 9772000), (24, 8550500), (25, 8208480), (28, 7329000), (30, 6840400), (32, 6412875), (35, 5863200), (40, 5130300), (42, 4886000), (48, 4275250), (49, 4188000), (50, 4104240), (56, 3664500), (60, 3420200), (70, 2931600), (75, 2736160), (80, 2565150), (84, 2443000), (96, 2137625), (98, 2094000), (100, 2052120), (105, 1954400), (112, 1832250), (120, 1710100), (125, 1641696), (140, 1465800), (147, 1396000), (150, 1368080), (160, 1282575), (168, 1221500), (175, 1172640), (196, 1047000), (200, 1026060), (210, 977200), (224, 916125), (240, 855050), (245, 837600), (250, 820848), (280, 732900), (294, 698000), (300, 684040), (336, 610750), (349, 588000), (350, 586320), (375, 547232), (392, 523500), (400, 513030), (420, 488600), (480, 427525), (490, 418800), (500, 410424), (525, 390880), (560, 366450), (588, 349000), (600, 342020), (672, 305375), (698, 294000), (700, 293160), (735, 279200), (750, 273616), (784, 261750), (800, 256515), (840, 244300), (875, 234528), (980, 209400), (1000, 205212), (1047, 196000), (1050, 195440), (1120, 183225), (1176, 174500), (1200, 171010), (1225, 167520), (1396, 147000), (1400, 146580), (1470, 139600), (1500, 136808), (1568, 130875), (1680, 122150), (1745, 117600), (1750, 117264), (1960, 104700), (2000, 102606), (2094, 98000), (2100, 97720), (2352, 87250), (2400, 85505), (2443, 84000), (2450, 83760), (2625, 78176), (2792, 73500), (2800, 73290), (2940, 69800), (3000, 68404), (3360, 61075), (3490, 58800), (3500, 58632), (3675, 55840), (3920, 52350), (4000, 51303), (4188, 49000), (4200, 48860), (4704, 43625), (4886, 42000), (4900, 41880), (5235, 39200), (5250, 39088), (5584, 36750), (5600, 36645), (5880, 34900), (6000, 34202), (6125, 33504), (6980, 29400), (7000, 29316), (7329, 28000), (7350, 27920), (7840, 26175), (8376, 24500), (8400, 24430), (8725, 23520), (9772, 21000), (9800, 20940), (10470, 19600), (10500, 19544), (11168, 18375), (11760, 17450), (12000, 17101), (12215, 16800), (12250, 16752), (13960, 14700), (14000, 14658)]