20157802000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1427}}^1$

素因数の和:2466

約数の個数: 160

約数和(自身を含む): 55798928640

約数和(自身を除く): 35641126640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1009, 1400, 1427, 1750, 2000, 2018, 2800, 2854, 3500, 4036, 5045, 5708, 7000, 7063, 7135, 8072, 9989, 10090, 11416, 14000, 14126, 14270, 16144, 19978, 20180, 22832, 25225, 28252, 28540, 35315, 35675, 39956, 40360, 49945, 50450, 56504, 57080, 70630, 71350, 79912, 80720, 99890, 100900, 113008, 114160, 126125, 141260, 142700, 159824, 176575, 178375, 199780, 201800, 249725, 252250, 282520, 285400, 353150, 356750, 399560, 403600, 499450, 504500, 565040, 570800, 706300, 713500, 799120, 882875, 998900, 1009000, 1248625, 1412600, 1427000, 1439843, 1765750, 1997800, 2018000, 2497250, 2825200, 2854000, 2879686, 3531500, 3995600, 4994500, 5759372, 7063000, 7199215, 9989000, 10078901, 11518744, 14126000, 14398430, 19978000, 20157802, 23037488, 28796860, 35996075, 40315604, 50394505, 57593720, 71992150, 80631208, 100789010, 115187440, 143984300, 161262416, 179980375, 201578020, 251972525, 287968600, 359960750, 403156040, 503945050, 575937200, 719921500, 806312080, 1007890100, 1259862625, 1439843000, 2015780200, 2519725250, 2879686000, 4031560400, 5039450500, 10078901000, 20157802000]

約数ペア:

[(1, 20157802000), (2, 10078901000), (4, 5039450500), (5, 4031560400), (7, 2879686000), (8, 2519725250), (10, 2015780200), (14, 1439843000), (16, 1259862625), (20, 1007890100), (25, 806312080), (28, 719921500), (35, 575937200), (40, 503945050), (50, 403156040), (56, 359960750), (70, 287968600), (80, 251972525), (100, 201578020), (112, 179980375), (125, 161262416), (140, 143984300), (175, 115187440), (200, 100789010), (250, 80631208), (280, 71992150), (350, 57593720), (400, 50394505), (500, 40315604), (560, 35996075), (700, 28796860), (875, 23037488), (1000, 20157802), (1009, 19978000), (1400, 14398430), (1427, 14126000), (1750, 11518744), (2000, 10078901), (2018, 9989000), (2800, 7199215), (2854, 7063000), (3500, 5759372), (4036, 4994500), (5045, 3995600), (5708, 3531500), (7000, 2879686), (7063, 2854000), (7135, 2825200), (8072, 2497250), (9989, 2018000), (10090, 1997800), (11416, 1765750), (14000, 1439843), (14126, 1427000), (14270, 1412600), (16144, 1248625), (19978, 1009000), (20180, 998900), (22832, 882875), (25225, 799120), (28252, 713500), (28540, 706300), (35315, 570800), (35675, 565040), (39956, 504500), (40360, 499450), (49945, 403600), (50450, 399560), (56504, 356750), (57080, 353150), (70630, 285400), (71350, 282520), (79912, 252250), (80720, 249725), (99890, 201800), (100900, 199780), (113008, 178375), (114160, 176575), (126125, 159824), (141260, 142700)]