809554090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{10169}}^1$

素因数の和:10614

約数の個数: 32

約数和(自身を含む): 1537704000

約数和(自身を除く): 728149910

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 419, 838, 2095, 4190, 7961, 10169, 15922, 20338, 39805, 50845, 79610, 101690, 193211, 386422, 966055, 1932110, 4260811, 8521622, 21304055, 42608110, 80955409, 161910818, 404777045, 809554090]

約数ペア:

[(1, 809554090), (2, 404777045), (5, 161910818), (10, 80955409), (19, 42608110), (38, 21304055), (95, 8521622), (190, 4260811), (419, 1932110), (838, 966055), (2095, 386422), (4190, 193211), (7961, 101690), (10169, 79610), (15922, 50845), (20338, 39805)]