20308332100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1\times {\mathrm{811}}^1$

素因数の和:1346

約数の個数: 144

約数和(自身を含む): 51152726016

約数和(自身を除く): 30844393916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 83, 100, 140, 166, 175, 332, 350, 415, 431, 581, 700, 811, 830, 862, 1162, 1622, 1660, 1724, 2075, 2155, 2324, 2905, 3017, 3244, 4055, 4150, 4310, 5677, 5810, 6034, 8110, 8300, 8620, 10775, 11354, 11620, 12068, 14525, 15085, 16220, 20275, 21550, 22708, 28385, 29050, 30170, 35773, 40550, 43100, 56770, 58100, 60340, 67313, 71546, 75425, 81100, 113540, 134626, 141925, 143092, 150850, 178865, 250411, 269252, 283850, 301700, 336565, 349541, 357730, 471191, 500822, 567700, 673130, 699082, 715460, 894325, 942382, 1001644, 1252055, 1346260, 1398164, 1682825, 1747705, 1788650, 1884764, 2355955, 2446787, 2504110, 3365650, 3495410, 3577300, 4711910, 4893574, 5008220, 6260275, 6731300, 6990820, 8738525, 9423820, 9787148, 11779775, 12233935, 12520550, 17477050, 23559550, 24467870, 25041100, 29011903, 34954100, 47119100, 48935740, 58023806, 61169675, 116047612, 122339350, 145059515, 203083321, 244678700, 290119030, 406166642, 580238060, 725297575, 812333284, 1015416605, 1450595150, 2030833210, 2901190300, 4061666420, 5077083025, 10154166050, 20308332100]

約数ペア:

[(1, 20308332100), (2, 10154166050), (4, 5077083025), (5, 4061666420), (7, 2901190300), (10, 2030833210), (14, 1450595150), (20, 1015416605), (25, 812333284), (28, 725297575), (35, 580238060), (50, 406166642), (70, 290119030), (83, 244678700), (100, 203083321), (140, 145059515), (166, 122339350), (175, 116047612), (332, 61169675), (350, 58023806), (415, 48935740), (431, 47119100), (581, 34954100), (700, 29011903), (811, 25041100), (830, 24467870), (862, 23559550), (1162, 17477050), (1622, 12520550), (1660, 12233935), (1724, 11779775), (2075, 9787148), (2155, 9423820), (2324, 8738525), (2905, 6990820), (3017, 6731300), (3244, 6260275), (4055, 5008220), (4150, 4893574), (4310, 4711910), (5677, 3577300), (5810, 3495410), (6034, 3365650), (8110, 2504110), (8300, 2446787), (8620, 2355955), (10775, 1884764), (11354, 1788650), (11620, 1747705), (12068, 1682825), (14525, 1398164), (15085, 1346260), (16220, 1252055), (20275, 1001644), (21550, 942382), (22708, 894325), (28385, 715460), (29050, 699082), (30170, 673130), (35773, 567700), (40550, 500822), (43100, 471191), (56770, 357730), (58100, 349541), (60340, 336565), (67313, 301700), (71546, 283850), (75425, 269252), (81100, 250411), (113540, 178865), (134626, 150850), (141925, 143092)]