804668890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{17489}}^1$

素因数の和:17646

約数の個数: 32

約数和(自身を含む): 1496024640

約数和(自身を除く): 691355750

約数列:

[1, 2, 5, 10, 43, 86, 107, 214, 215, 430, 535, 1070, 4601, 9202, 17489, 23005, 34978, 46010, 87445, 174890, 752027, 1504054, 1871323, 3742646, 3760135, 7520270, 9356615, 18713230, 80466889, 160933778, 402334445, 804668890]

約数ペア:

[(1, 804668890), (2, 402334445), (5, 160933778), (10, 80466889), (43, 18713230), (86, 9356615), (107, 7520270), (214, 3760135), (215, 3742646), (430, 1871323), (535, 1504054), (1070, 752027), (4601, 174890), (9202, 87445), (17489, 46010), (23005, 34978)]