200851490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{409901}}^1$

素因数の和:409922

約数の個数: 24

約数和(自身を含む): 420559452

約数和(自身を除く): 219707962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 409901, 819802, 2049505, 2869307, 4099010, 5738614, 14346535, 20085149, 28693070, 40170298, 100425745, 200851490]

約数ペア:

[(1, 200851490), (2, 100425745), (5, 40170298), (7, 28693070), (10, 20085149), (14, 14346535), (35, 5738614), (49, 4099010), (70, 2869307), (98, 2049505), (245, 819802), (490, 409901)]