205220400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2221}}^1$

素因数の和:2260

約数の個数: 240

約数和(自身を含む): 819971328

約数和(自身を除く): 614750928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 48, 50, 55, 56, 60, 66, 70, 75, 77, 80, 84, 88, 100, 105, 110, 112, 120, 132, 140, 150, 154, 165, 168, 175, 176, 200, 210, 220, 231, 240, 264, 275, 280, 300, 308, 330, 336, 350, 385, 400, 420, 440, 462, 525, 528, 550, 560, 600, 616, 660, 700, 770, 825, 840, 880, 924, 1050, 1100, 1155, 1200, 1232, 1320, 1400, 1540, 1650, 1680, 1848, 1925, 2100, 2200, 2221, 2310, 2640, 2800, 3080, 3300, 3696, 3850, 4200, 4400, 4442, 4620, 5775, 6160, 6600, 6663, 7700, 8400, 8884, 9240, 11105, 11550, 13200, 13326, 15400, 15547, 17768, 18480, 22210, 23100, 24431, 26652, 30800, 31094, 33315, 35536, 44420, 46200, 46641, 48862, 53304, 55525, 62188, 66630, 73293, 77735, 88840, 92400, 93282, 97724, 106608, 111050, 122155, 124376, 133260, 146586, 155470, 166575, 171017, 177680, 186564, 195448, 222100, 233205, 244310, 248752, 266520, 293172, 310940, 333150, 342034, 366465, 373128, 388675, 390896, 444200, 466410, 488620, 513051, 533040, 586344, 610775, 621880, 666300, 684068, 732930, 746256, 777350, 855085, 888400, 932820, 977240, 1026102, 1166025, 1172688, 1221550, 1243760, 1332600, 1368136, 1465860, 1554700, 1710170, 1832325, 1865640, 1954480, 2052204, 2332050, 2443100, 2565255, 2665200, 2736272, 2931720, 3109400, 3420340, 3664650, 3731280, 4104408, 4275425, 4664100, 4886200, 5130510, 5863440, 6218800, 6840680, 7329300, 8208816, 8550850, 9328200, 9772400, 10261020, 12826275, 13681360, 14658600, 17101700, 18656400, 20522040, 25652550, 29317200, 34203400, 41044080, 51305100, 68406800, 102610200, 205220400]

約数ペア:

[(1, 205220400), (2, 102610200), (3, 68406800), (4, 51305100), (5, 41044080), (6, 34203400), (7, 29317200), (8, 25652550), (10, 20522040), (11, 18656400), (12, 17101700), (14, 14658600), (15, 13681360), (16, 12826275), (20, 10261020), (21, 9772400), (22, 9328200), (24, 8550850), (25, 8208816), (28, 7329300), (30, 6840680), (33, 6218800), (35, 5863440), (40, 5130510), (42, 4886200), (44, 4664100), (48, 4275425), (50, 4104408), (55, 3731280), (56, 3664650), (60, 3420340), (66, 3109400), (70, 2931720), (75, 2736272), (77, 2665200), (80, 2565255), (84, 2443100), (88, 2332050), (100, 2052204), (105, 1954480), (110, 1865640), (112, 1832325), (120, 1710170), (132, 1554700), (140, 1465860), (150, 1368136), (154, 1332600), (165, 1243760), (168, 1221550), (175, 1172688), (176, 1166025), (200, 1026102), (210, 977240), (220, 932820), (231, 888400), (240, 855085), (264, 777350), (275, 746256), (280, 732930), (300, 684068), (308, 666300), (330, 621880), (336, 610775), (350, 586344), (385, 533040), (400, 513051), (420, 488620), (440, 466410), (462, 444200), (525, 390896), (528, 388675), (550, 373128), (560, 366465), (600, 342034), (616, 333150), (660, 310940), (700, 293172), (770, 266520), (825, 248752), (840, 244310), (880, 233205), (924, 222100), (1050, 195448), (1100, 186564), (1155, 177680), (1200, 171017), (1232, 166575), (1320, 155470), (1400, 146586), (1540, 133260), (1650, 124376), (1680, 122155), (1848, 111050), (1925, 106608), (2100, 97724), (2200, 93282), (2221, 92400), (2310, 88840), (2640, 77735), (2800, 73293), (3080, 66630), (3300, 62188), (3696, 55525), (3850, 53304), (4200, 48862), (4400, 46641), (4442, 46200), (4620, 44420), (5775, 35536), (6160, 33315), (6600, 31094), (6663, 30800), (7700, 26652), (8400, 24431), (8884, 23100), (9240, 22210), (11105, 18480), (11550, 17768), (13200, 15547), (13326, 15400)]