2009686490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4101401}}^1$

素因数の和:4101422

約数の個数: 24

約数和(自身を含む): 4208038452

約数和(自身を除く): 2198351962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4101401, 8202802, 20507005, 28709807, 41014010, 57419614, 143549035, 200968649, 287098070, 401937298, 1004843245, 2009686490]

約数ペア:

[(1, 2009686490), (2, 1004843245), (5, 401937298), (7, 287098070), (10, 200968649), (14, 143549035), (35, 57419614), (49, 41014010), (70, 28709807), (98, 20507005), (245, 8202802), (490, 4101401)]