204843520

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 240

約数和(自身を含む): 604568448

約数和(自身を除く): 399724928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 71, 80, 92, 98, 112, 115, 128, 140, 142, 160, 161, 184, 196, 224, 230, 245, 256, 280, 284, 320, 322, 355, 368, 392, 448, 460, 490, 497, 512, 560, 568, 640, 644, 710, 736, 784, 805, 896, 920, 980, 994, 1120, 1127, 1136, 1280, 1288, 1420, 1472, 1568, 1610, 1633, 1792, 1840, 1960, 1988, 2240, 2254, 2272, 2485, 2560, 2576, 2840, 2944, 3136, 3220, 3266, 3479, 3584, 3680, 3920, 3976, 4480, 4508, 4544, 4970, 5152, 5635, 5680, 5888, 6272, 6440, 6532, 6958, 7360, 7840, 7952, 8165, 8960, 9016, 9088, 9940, 10304, 11270, 11360, 11431, 11776, 12544, 12880, 13064, 13916, 14720, 15680, 15904, 16330, 17395, 17920, 18032, 18176, 19880, 20608, 22540, 22720, 22862, 25088, 25760, 26128, 27832, 29440, 31360, 31808, 32660, 34790, 36064, 36352, 39760, 41216, 45080, 45440, 45724, 51520, 52256, 55664, 57155, 58880, 62720, 63616, 65320, 69580, 72128, 79520, 80017, 82432, 90160, 90880, 91448, 103040, 104512, 111328, 114310, 125440, 127232, 130640, 139160, 144256, 159040, 160034, 180320, 181760, 182896, 206080, 209024, 222656, 228620, 254464, 261280, 278320, 288512, 318080, 320068, 360640, 365792, 400085, 412160, 418048, 445312, 457240, 522560, 556640, 577024, 636160, 640136, 721280, 731584, 800170, 836096, 890624, 914480, 1045120, 1113280, 1272320, 1280272, 1442560, 1463168, 1600340, 1781248, 1828960, 2090240, 2226560, 2560544, 2885120, 2926336, 3200680, 3657920, 4180480, 4453120, 5121088, 5852672, 6401360, 7315840, 8906240, 10242176, 12802720, 14631680, 20484352, 25605440, 29263360, 40968704, 51210880, 102421760, 204843520]

約数ペア:

[(1, 204843520), (2, 102421760), (4, 51210880), (5, 40968704), (7, 29263360), (8, 25605440), (10, 20484352), (14, 14631680), (16, 12802720), (20, 10242176), (23, 8906240), (28, 7315840), (32, 6401360), (35, 5852672), (40, 5121088), (46, 4453120), (49, 4180480), (56, 3657920), (64, 3200680), (70, 2926336), (71, 2885120), (80, 2560544), (92, 2226560), (98, 2090240), (112, 1828960), (115, 1781248), (128, 1600340), (140, 1463168), (142, 1442560), (160, 1280272), (161, 1272320), (184, 1113280), (196, 1045120), (224, 914480), (230, 890624), (245, 836096), (256, 800170), (280, 731584), (284, 721280), (320, 640136), (322, 636160), (355, 577024), (368, 556640), (392, 522560), (448, 457240), (460, 445312), (490, 418048), (497, 412160), (512, 400085), (560, 365792), (568, 360640), (640, 320068), (644, 318080), (710, 288512), (736, 278320), (784, 261280), (805, 254464), (896, 228620), (920, 222656), (980, 209024), (994, 206080), (1120, 182896), (1127, 181760), (1136, 180320), (1280, 160034), (1288, 159040), (1420, 144256), (1472, 139160), (1568, 130640), (1610, 127232), (1633, 125440), (1792, 114310), (1840, 111328), (1960, 104512), (1988, 103040), (2240, 91448), (2254, 90880), (2272, 90160), (2485, 82432), (2560, 80017), (2576, 79520), (2840, 72128), (2944, 69580), (3136, 65320), (3220, 63616), (3266, 62720), (3479, 58880), (3584, 57155), (3680, 55664), (3920, 52256), (3976, 51520), (4480, 45724), (4508, 45440), (4544, 45080), (4970, 41216), (5152, 39760), (5635, 36352), (5680, 36064), (5888, 34790), (6272, 32660), (6440, 31808), (6532, 31360), (6958, 29440), (7360, 27832), (7840, 26128), (7952, 25760), (8165, 25088), (8960, 22862), (9016, 22720), (9088, 22540), (9940, 20608), (10304, 19880), (11270, 18176), (11360, 18032), (11431, 17920), (11776, 17395), (12544, 16330), (12880, 15904), (13064, 15680), (13916, 14720)]