210078190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{428731}}^1$

素因数の和:428752

約数の個数: 24

約数和(自身を含む): 439879032

約数和(自身を除く): 229800842

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 428731, 857462, 2143655, 3001117, 4287310, 6002234, 15005585, 21007819, 30011170, 42015638, 105039095, 210078190]

約数ペア:

[(1, 210078190), (2, 105039095), (5, 42015638), (7, 30011170), (10, 21007819), (14, 15005585), (35, 6002234), (49, 4287310), (70, 3001117), (98, 2143655), (245, 857462), (490, 428731)]