198492880

素因数分解:

$2^4\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{1913}}^1$

素因数の和:3223

約数の個数: 40

約数和(自身を含む): 462093192

約数和(自身を除く): 263600312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1297, 1913, 2594, 3826, 5188, 6485, 7652, 9565, 10376, 12970, 15304, 19130, 20752, 25940, 30608, 38260, 51880, 76520, 103760, 153040, 2481161, 4962322, 9924644, 12405805, 19849288, 24811610, 39698576, 49623220, 99246440, 198492880]

約数ペア:

[(1, 198492880), (2, 99246440), (4, 49623220), (5, 39698576), (8, 24811610), (10, 19849288), (16, 12405805), (20, 9924644), (40, 4962322), (80, 2481161), (1297, 153040), (1913, 103760), (2594, 76520), (3826, 51880), (5188, 38260), (6485, 30608), (7652, 25940), (9565, 20752), (10376, 19130), (12970, 15304)]