20078810500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{17761}}^1$

素因数の和:17823

約数の個数: 192

約数和(自身を含む): 55860779520

約数和(自身を除く): 35781969020

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 25, 28, 34, 35, 38, 50, 68, 70, 76, 85, 95, 100, 119, 125, 133, 140, 170, 175, 190, 238, 250, 266, 323, 340, 350, 380, 425, 475, 476, 500, 532, 595, 646, 665, 700, 850, 875, 950, 1190, 1292, 1330, 1615, 1700, 1750, 1900, 2125, 2261, 2375, 2380, 2660, 2975, 3230, 3325, 3500, 4250, 4522, 4750, 5950, 6460, 6650, 8075, 8500, 9044, 9500, 11305, 11900, 13300, 14875, 16150, 16625, 17761, 22610, 29750, 32300, 33250, 35522, 40375, 45220, 56525, 59500, 66500, 71044, 80750, 88805, 113050, 124327, 161500, 177610, 226100, 248654, 282625, 301937, 337459, 355220, 444025, 497308, 565250, 603874, 621635, 674918, 888050, 1130500, 1207748, 1243270, 1349836, 1509685, 1687295, 1776100, 2113559, 2220125, 2362213, 2486540, 3019370, 3108175, 3374590, 4227118, 4440250, 4724426, 5736803, 6038740, 6216350, 6749180, 7548425, 8436475, 8454236, 8880500, 9448852, 10567795, 11473606, 11811065, 12432700, 15096850, 15540875, 16872950, 21135590, 22947212, 23622130, 28684015, 30193700, 31081750, 33745900, 37742125, 40157621, 42182375, 42271180, 47244260, 52838975, 57368030, 59055325, 62163500, 75484250, 80315242, 84364750, 105677950, 114736060, 118110650, 143420075, 150968500, 160630484, 168729500, 200788105, 211355900, 236221300, 264194875, 286840150, 295276625, 401576210, 528389750, 573680300, 590553250, 717100375, 803152420, 1003940525, 1056779500, 1181106500, 1434200750, 2007881050, 2868401500, 4015762100, 5019702625, 10039405250, 20078810500]

約数ペア:

[(1, 20078810500), (2, 10039405250), (4, 5019702625), (5, 4015762100), (7, 2868401500), (10, 2007881050), (14, 1434200750), (17, 1181106500), (19, 1056779500), (20, 1003940525), (25, 803152420), (28, 717100375), (34, 590553250), (35, 573680300), (38, 528389750), (50, 401576210), (68, 295276625), (70, 286840150), (76, 264194875), (85, 236221300), (95, 211355900), (100, 200788105), (119, 168729500), (125, 160630484), (133, 150968500), (140, 143420075), (170, 118110650), (175, 114736060), (190, 105677950), (238, 84364750), (250, 80315242), (266, 75484250), (323, 62163500), (340, 59055325), (350, 57368030), (380, 52838975), (425, 47244260), (475, 42271180), (476, 42182375), (500, 40157621), (532, 37742125), (595, 33745900), (646, 31081750), (665, 30193700), (700, 28684015), (850, 23622130), (875, 22947212), (950, 21135590), (1190, 16872950), (1292, 15540875), (1330, 15096850), (1615, 12432700), (1700, 11811065), (1750, 11473606), (1900, 10567795), (2125, 9448852), (2261, 8880500), (2375, 8454236), (2380, 8436475), (2660, 7548425), (2975, 6749180), (3230, 6216350), (3325, 6038740), (3500, 5736803), (4250, 4724426), (4522, 4440250), (4750, 4227118), (5950, 3374590), (6460, 3108175), (6650, 3019370), (8075, 2486540), (8500, 2362213), (9044, 2220125), (9500, 2113559), (11305, 1776100), (11900, 1687295), (13300, 1509685), (14875, 1349836), (16150, 1243270), (16625, 1207748), (17761, 1130500), (22610, 888050), (29750, 674918), (32300, 621635), (33250, 603874), (35522, 565250), (40375, 497308), (45220, 444025), (56525, 355220), (59500, 337459), (66500, 301937), (71044, 282625), (80750, 248654), (88805, 226100), (113050, 177610), (124327, 161500)]