205963520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 571404288

約数和(自身を除く): 365440768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 181, 224, 254, 256, 280, 320, 362, 448, 508, 560, 635, 640, 724, 889, 896, 905, 1016, 1120, 1267, 1270, 1280, 1448, 1778, 1792, 1810, 2032, 2240, 2534, 2540, 2896, 3556, 3620, 4064, 4445, 4480, 5068, 5080, 5792, 6335, 7112, 7240, 8128, 8890, 8960, 10136, 10160, 11584, 12670, 14224, 14480, 16256, 17780, 20272, 20320, 22987, 23168, 25340, 28448, 28960, 32512, 35560, 40544, 40640, 45974, 46336, 50680, 56896, 57920, 71120, 81088, 81280, 91948, 101360, 113792, 114935, 115840, 142240, 160909, 162176, 162560, 183896, 202720, 227584, 229870, 231680, 284480, 321818, 324352, 367792, 405440, 459740, 568960, 643636, 735584, 804545, 810880, 919480, 1137920, 1287272, 1471168, 1609090, 1621760, 1838960, 2574544, 2942336, 3218180, 3677920, 5149088, 5884672, 6436360, 7355840, 10298176, 12872720, 14711680, 20596352, 25745440, 29423360, 41192704, 51490880, 102981760, 205963520]

約数ペア:

[(1, 205963520), (2, 102981760), (4, 51490880), (5, 41192704), (7, 29423360), (8, 25745440), (10, 20596352), (14, 14711680), (16, 12872720), (20, 10298176), (28, 7355840), (32, 6436360), (35, 5884672), (40, 5149088), (56, 3677920), (64, 3218180), (70, 2942336), (80, 2574544), (112, 1838960), (127, 1621760), (128, 1609090), (140, 1471168), (160, 1287272), (181, 1137920), (224, 919480), (254, 810880), (256, 804545), (280, 735584), (320, 643636), (362, 568960), (448, 459740), (508, 405440), (560, 367792), (635, 324352), (640, 321818), (724, 284480), (889, 231680), (896, 229870), (905, 227584), (1016, 202720), (1120, 183896), (1267, 162560), (1270, 162176), (1280, 160909), (1448, 142240), (1778, 115840), (1792, 114935), (1810, 113792), (2032, 101360), (2240, 91948), (2534, 81280), (2540, 81088), (2896, 71120), (3556, 57920), (3620, 56896), (4064, 50680), (4445, 46336), (4480, 45974), (5068, 40640), (5080, 40544), (5792, 35560), (6335, 32512), (7112, 28960), (7240, 28448), (8128, 25340), (8890, 23168), (8960, 22987), (10136, 20320), (10160, 20272), (11584, 17780), (12670, 16256), (14224, 14480)]