28387730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1433}}^1$

素因数の和:1730

約数の個数: 32

約数和(自身を含む): 58644864

約数和(自身を除く): 30257134

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 1415, 1433, 1981, 2830, 2866, 3962, 7165, 9905, 10031, 14330, 19810, 20062, 50155, 100310, 405539, 811078, 2027695, 2838773, 4055390, 5677546, 14193865, 28387730]

約数ペア:

[(1, 28387730), (2, 14193865), (5, 5677546), (7, 4055390), (10, 2838773), (14, 2027695), (35, 811078), (70, 405539), (283, 100310), (566, 50155), (1415, 20062), (1433, 19810), (1981, 14330), (2830, 10031), (2866, 9905), (3962, 7165)]