200410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{409}}^1$

素因数の和:430

約数の個数: 24

約数和(自身を含む): 420660

約数和(自身を除く): 220250

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 409, 490, 818, 2045, 2863, 4090, 5726, 14315, 20041, 28630, 40082, 100205, 200410]

約数ペア:

[(1, 200410), (2, 100205), (5, 40082), (7, 28630), (10, 20041), (14, 14315), (35, 5726), (49, 4090), (70, 2863), (98, 2045), (245, 818), (409, 490)]