200898990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20479}}^1$

素因数の和:20601

約数の個数: 48

約数和(自身を含む): 527155200

約数和(自身を除く): 326256210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 981, 1090, 1635, 1962, 3270, 4905, 9810, 20479, 40958, 61437, 102395, 122874, 184311, 204790, 307185, 368622, 614370, 921555, 1843110, 2232211, 4464422, 6696633, 11161055, 13393266, 20089899, 22322110, 33483165, 40179798, 66966330, 100449495, 200898990]

約数ペア:

[(1, 200898990), (2, 100449495), (3, 66966330), (5, 40179798), (6, 33483165), (9, 22322110), (10, 20089899), (15, 13393266), (18, 11161055), (30, 6696633), (45, 4464422), (90, 2232211), (109, 1843110), (218, 921555), (327, 614370), (545, 368622), (654, 307185), (981, 204790), (1090, 184311), (1635, 122874), (1962, 102395), (3270, 61437), (4905, 40958), (9810, 20479)]