203419090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{415141}}^1$

素因数の和:415162

約数の個数: 24

約数和(自身を含む): 425935692

約数和(自身を除く): 222516602

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 415141, 830282, 2075705, 2905987, 4151410, 5811974, 14529935, 20341909, 29059870, 40683818, 101709545, 203419090]

約数ペア:

[(1, 203419090), (2, 101709545), (5, 40683818), (7, 29059870), (10, 20341909), (14, 14529935), (35, 5811974), (49, 4151410), (70, 2905987), (98, 2075705), (245, 830282), (490, 415141)]