129392440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190283}}^1$

素因数の和:190311

約数の個数: 32

約数和(自身を含む): 308260080

約数和(自身を除く): 178867640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 190283, 380566, 761132, 951415, 1522264, 1902830, 3234811, 3805660, 6469622, 7611320, 12939244, 16174055, 25878488, 32348110, 64696220, 129392440]

約数ペア:

[(1, 129392440), (2, 64696220), (4, 32348110), (5, 25878488), (8, 16174055), (10, 12939244), (17, 7611320), (20, 6469622), (34, 3805660), (40, 3234811), (68, 1902830), (85, 1522264), (136, 951415), (170, 761132), (340, 380566), (680, 190283)]