291229260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{693403}}^1$

素因数の和:693422

約数の個数: 48

約数和(自身を含む): 931934976

約数和(自身を除く): 640705716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 693403, 1386806, 2080209, 2773612, 3467015, 4160418, 4853821, 6934030, 8320836, 9707642, 10401045, 13868060, 14561463, 19415284, 20802090, 24269105, 29122926, 41604180, 48538210, 58245852, 72807315, 97076420, 145614630, 291229260]

約数ペア:

[(1, 291229260), (2, 145614630), (3, 97076420), (4, 72807315), (5, 58245852), (6, 48538210), (7, 41604180), (10, 29122926), (12, 24269105), (14, 20802090), (15, 19415284), (20, 14561463), (21, 13868060), (28, 10401045), (30, 9707642), (35, 8320836), (42, 6934030), (60, 4853821), (70, 4160418), (84, 3467015), (105, 2773612), (140, 2080209), (210, 1386806), (420, 693403)]