2018649640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{86861}}^1$

素因数の和:86962

約数の個数: 64

約数和(自身を含む): 5253413760

約数和(自身を除く): 3234764120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2905, 3320, 4648, 5810, 11620, 23240, 86861, 173722, 347444, 434305, 608027, 694888, 868610, 1216054, 1737220, 2432108, 3040135, 3474440, 4864216, 6080270, 7209463, 12160540, 14418926, 24321080, 28837852, 36047315, 50466241, 57675704, 72094630, 100932482, 144189260, 201864964, 252331205, 288378520, 403729928, 504662410, 1009324820, 2018649640]

約数ペア:

[(1, 2018649640), (2, 1009324820), (4, 504662410), (5, 403729928), (7, 288378520), (8, 252331205), (10, 201864964), (14, 144189260), (20, 100932482), (28, 72094630), (35, 57675704), (40, 50466241), (56, 36047315), (70, 28837852), (83, 24321080), (140, 14418926), (166, 12160540), (280, 7209463), (332, 6080270), (415, 4864216), (581, 3474440), (664, 3040135), (830, 2432108), (1162, 1737220), (1660, 1216054), (2324, 868610), (2905, 694888), (3320, 608027), (4648, 434305), (5810, 347444), (11620, 173722), (23240, 86861)]