208026820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6151}}^1$

素因数の和:6268

約数の個数: 48

約数和(自身を含む): 465091200

約数和(自身を除く): 257064380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6151, 6764, 8455, 12302, 16910, 24604, 30755, 33820, 61510, 116869, 123020, 233738, 467476, 547439, 584345, 1094878, 1168690, 2189756, 2337380, 2737195, 5474390, 10401341, 10948780, 20802682, 41605364, 52006705, 104013410, 208026820]

約数ペア:

[(1, 208026820), (2, 104013410), (4, 52006705), (5, 41605364), (10, 20802682), (19, 10948780), (20, 10401341), (38, 5474390), (76, 2737195), (89, 2337380), (95, 2189756), (178, 1168690), (190, 1094878), (356, 584345), (380, 547439), (445, 467476), (890, 233738), (1691, 123020), (1780, 116869), (3382, 61510), (6151, 33820), (6764, 30755), (8455, 24604), (12302, 16910)]