217651770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{345479}}^1$

素因数の和:345499

約数の個数: 48

約数和(自身を含む): 646738560

約数和(自身を除く): 429086790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 345479, 690958, 1036437, 1727395, 2072874, 2418353, 3109311, 3454790, 4836706, 5182185, 6218622, 7255059, 10364370, 12091765, 14510118, 15546555, 21765177, 24183530, 31093110, 36275295, 43530354, 72550590, 108825885, 217651770]

約数ペア:

[(1, 217651770), (2, 108825885), (3, 72550590), (5, 43530354), (6, 36275295), (7, 31093110), (9, 24183530), (10, 21765177), (14, 15546555), (15, 14510118), (18, 12091765), (21, 10364370), (30, 7255059), (35, 6218622), (42, 5182185), (45, 4836706), (63, 3454790), (70, 3109311), (90, 2418353), (105, 2072874), (126, 1727395), (210, 1036437), (315, 690958), (630, 345479)]