205917800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 538298880

約数和(自身を除く): 332381080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 67, 88, 100, 110, 121, 127, 134, 200, 220, 242, 254, 268, 275, 335, 440, 484, 508, 536, 550, 605, 635, 670, 737, 968, 1016, 1100, 1210, 1270, 1340, 1397, 1474, 1675, 2200, 2420, 2540, 2680, 2794, 2948, 3025, 3175, 3350, 3685, 4840, 5080, 5588, 5896, 6050, 6350, 6700, 6985, 7370, 8107, 8509, 11176, 12100, 12700, 13400, 13970, 14740, 15367, 16214, 17018, 18425, 24200, 25400, 27940, 29480, 30734, 32428, 34036, 34925, 36850, 40535, 42545, 55880, 61468, 64856, 68072, 69850, 73700, 76835, 81070, 85090, 93599, 122936, 139700, 147400, 153670, 162140, 170180, 187198, 202675, 212725, 279400, 307340, 324280, 340360, 374396, 384175, 405350, 425450, 467995, 614680, 748792, 768350, 810700, 850900, 935990, 1029589, 1536700, 1621400, 1701800, 1871980, 2059178, 2339975, 3073400, 3743960, 4118356, 4679950, 5147945, 8236712, 9359900, 10295890, 18719800, 20591780, 25739725, 41183560, 51479450, 102958900, 205917800]

約数ペア:

[(1, 205917800), (2, 102958900), (4, 51479450), (5, 41183560), (8, 25739725), (10, 20591780), (11, 18719800), (20, 10295890), (22, 9359900), (25, 8236712), (40, 5147945), (44, 4679950), (50, 4118356), (55, 3743960), (67, 3073400), (88, 2339975), (100, 2059178), (110, 1871980), (121, 1701800), (127, 1621400), (134, 1536700), (200, 1029589), (220, 935990), (242, 850900), (254, 810700), (268, 768350), (275, 748792), (335, 614680), (440, 467995), (484, 425450), (508, 405350), (536, 384175), (550, 374396), (605, 340360), (635, 324280), (670, 307340), (737, 279400), (968, 212725), (1016, 202675), (1100, 187198), (1210, 170180), (1270, 162140), (1340, 153670), (1397, 147400), (1474, 139700), (1675, 122936), (2200, 93599), (2420, 85090), (2540, 81070), (2680, 76835), (2794, 73700), (2948, 69850), (3025, 68072), (3175, 64856), (3350, 61468), (3685, 55880), (4840, 42545), (5080, 40535), (5588, 36850), (5896, 34925), (6050, 34036), (6350, 32428), (6700, 30734), (6985, 29480), (7370, 27940), (8107, 25400), (8509, 24200), (11176, 18425), (12100, 17018), (12700, 16214), (13400, 15367), (13970, 14740)]