312202220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{2207}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 716663808

約数和(自身を除く): 404461588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 643, 1286, 2207, 2572, 3215, 4414, 6430, 7073, 8828, 11035, 12860, 14146, 22070, 24277, 28292, 35365, 44140, 48554, 70730, 97108, 121385, 141460, 242770, 485540, 1419101, 2838202, 5676404, 7095505, 14191010, 15610111, 28382020, 31220222, 62440444, 78050555, 156101110, 312202220]

約数ペア:

[(1, 312202220), (2, 156101110), (4, 78050555), (5, 62440444), (10, 31220222), (11, 28382020), (20, 15610111), (22, 14191010), (44, 7095505), (55, 5676404), (110, 2838202), (220, 1419101), (643, 485540), (1286, 242770), (2207, 141460), (2572, 121385), (3215, 97108), (4414, 70730), (6430, 48554), (7073, 44140), (8828, 35365), (11035, 28292), (12860, 24277), (14146, 22070)]