205948960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:379

約数の個数: 144

約数和(自身を含む): 573554520

約数和(自身を除く): 367605560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 109, 112, 140, 160, 196, 218, 224, 241, 245, 280, 392, 436, 482, 490, 545, 560, 763, 784, 872, 964, 980, 1090, 1120, 1205, 1526, 1568, 1687, 1744, 1928, 1960, 2180, 2410, 3052, 3374, 3488, 3815, 3856, 3920, 4360, 4820, 5341, 6104, 6748, 7630, 7712, 7840, 8435, 8720, 9640, 10682, 11809, 12208, 13496, 15260, 16870, 17440, 19280, 21364, 23618, 24416, 26269, 26705, 26992, 30520, 33740, 38560, 42728, 47236, 52538, 53410, 53984, 59045, 61040, 67480, 85456, 94472, 105076, 106820, 118090, 122080, 131345, 134960, 170912, 183883, 188944, 210152, 213640, 236180, 262690, 269920, 367766, 377888, 420304, 427280, 472360, 525380, 735532, 840608, 854560, 919415, 944720, 1050760, 1287181, 1471064, 1838830, 1889440, 2101520, 2574362, 2942128, 3677660, 4203040, 5148724, 5884256, 6435905, 7355320, 10297448, 12871810, 14710640, 20594896, 25743620, 29421280, 41189792, 51487240, 102974480, 205948960]

約数ペア:

[(1, 205948960), (2, 102974480), (4, 51487240), (5, 41189792), (7, 29421280), (8, 25743620), (10, 20594896), (14, 14710640), (16, 12871810), (20, 10297448), (28, 7355320), (32, 6435905), (35, 5884256), (40, 5148724), (49, 4203040), (56, 3677660), (70, 2942128), (80, 2574362), (98, 2101520), (109, 1889440), (112, 1838830), (140, 1471064), (160, 1287181), (196, 1050760), (218, 944720), (224, 919415), (241, 854560), (245, 840608), (280, 735532), (392, 525380), (436, 472360), (482, 427280), (490, 420304), (545, 377888), (560, 367766), (763, 269920), (784, 262690), (872, 236180), (964, 213640), (980, 210152), (1090, 188944), (1120, 183883), (1205, 170912), (1526, 134960), (1568, 131345), (1687, 122080), (1744, 118090), (1928, 106820), (1960, 105076), (2180, 94472), (2410, 85456), (3052, 67480), (3374, 61040), (3488, 59045), (3815, 53984), (3856, 53410), (3920, 52538), (4360, 47236), (4820, 42728), (5341, 38560), (6104, 33740), (6748, 30520), (7630, 26992), (7712, 26705), (7840, 26269), (8435, 24416), (8720, 23618), (9640, 21364), (10682, 19280), (11809, 17440), (12208, 16870), (13496, 15260)]