917191880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{8111}}^1$

素因数の和:8390

約数の個数: 64

約数和(自身を含む): 2260327680

約数和(自身を除く): 1343135800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 257, 440, 514, 1028, 1285, 2056, 2570, 2827, 5140, 5654, 8111, 10280, 11308, 14135, 16222, 22616, 28270, 32444, 40555, 56540, 64888, 81110, 89221, 113080, 162220, 178442, 324440, 356884, 446105, 713768, 892210, 1784420, 2084527, 3568840, 4169054, 8338108, 10422635, 16676216, 20845270, 22929797, 41690540, 45859594, 83381080, 91719188, 114648985, 183438376, 229297970, 458595940, 917191880]

約数ペア:

[(1, 917191880), (2, 458595940), (4, 229297970), (5, 183438376), (8, 114648985), (10, 91719188), (11, 83381080), (20, 45859594), (22, 41690540), (40, 22929797), (44, 20845270), (55, 16676216), (88, 10422635), (110, 8338108), (220, 4169054), (257, 3568840), (440, 2084527), (514, 1784420), (1028, 892210), (1285, 713768), (2056, 446105), (2570, 356884), (2827, 324440), (5140, 178442), (5654, 162220), (8111, 113080), (10280, 89221), (11308, 81110), (14135, 64888), (16222, 56540), (22616, 40555), (28270, 32444)]