2019986290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4122421}}^1$

素因数の和:4122442

約数の個数: 24

約数和(自身を含む): 4229604972

約数和(自身を除く): 2209618682

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4122421, 8244842, 20612105, 28856947, 41224210, 57713894, 144284735, 201998629, 288569470, 403997258, 1009993145, 2019986290]

約数ペア:

[(1, 2019986290), (2, 1009993145), (5, 403997258), (7, 288569470), (10, 201998629), (14, 144284735), (35, 57713894), (49, 41224210), (70, 28856947), (98, 20612105), (245, 8244842), (490, 4122421)]