28285180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18367}}^1$

素因数の和:18394

約数の個数: 48

約数和(自身を含む): 74059776

約数和(自身を除く): 45774596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18367, 36734, 73468, 91835, 128569, 183670, 202037, 257138, 367340, 404074, 514276, 642845, 808148, 1010185, 1285690, 1414259, 2020370, 2571380, 2828518, 4040740, 5657036, 7071295, 14142590, 28285180]

約数ペア:

[(1, 28285180), (2, 14142590), (4, 7071295), (5, 5657036), (7, 4040740), (10, 2828518), (11, 2571380), (14, 2020370), (20, 1414259), (22, 1285690), (28, 1010185), (35, 808148), (44, 642845), (55, 514276), (70, 404074), (77, 367340), (110, 257138), (140, 202037), (154, 183670), (220, 128569), (308, 91835), (385, 73468), (770, 36734), (1540, 18367)]