285481340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{839651}}^1$

素因数の和:839677

約数の個数: 24

約数和(自身を含む): 634776912

約数和(自身を除く): 349295572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 839651, 1679302, 3358604, 4198255, 8396510, 14274067, 16793020, 28548134, 57096268, 71370335, 142740670, 285481340]

約数ペア:

[(1, 285481340), (2, 142740670), (4, 71370335), (5, 57096268), (10, 28548134), (17, 16793020), (20, 14274067), (34, 8396510), (68, 4198255), (85, 3358604), (170, 1679302), (340, 839651)]