206494330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{421417}}^1$

素因数の和:421438

約数の個数: 24

約数和(自身を含む): 432374868

約数和(自身を除く): 225880538

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 421417, 842834, 2107085, 2949919, 4214170, 5899838, 14749595, 20649433, 29499190, 41298866, 103247165, 206494330]

約数ペア:

[(1, 206494330), (2, 103247165), (5, 41298866), (7, 29499190), (10, 20649433), (14, 14749595), (35, 5899838), (49, 4214170), (70, 2949919), (98, 2107085), (245, 842834), (490, 421417)]