349768460

素因数分解:

$2^2\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{8837}}^1$

素因数の和:10825

約数の個数: 24

約数和(自身を含む): 734968080

約数和(自身を除く): 385199620

約数列:

[1, 2, 4, 5, 10, 20, 1979, 3958, 7916, 8837, 9895, 17674, 19790, 35348, 39580, 44185, 88370, 176740, 17488423, 34976846, 69953692, 87442115, 174884230, 349768460]

約数ペア:

[(1, 349768460), (2, 174884230), (4, 87442115), (5, 69953692), (10, 34976846), (20, 17488423), (1979, 176740), (3958, 88370), (7916, 44185), (8837, 39580), (9895, 35348), (17674, 19790)]