1278410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2609}}^1$

素因数の和:2630

約数の個数: 24

約数和(自身を含む): 2677860

約数和(自身を除く): 1399450

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2609, 5218, 13045, 18263, 26090, 36526, 91315, 127841, 182630, 255682, 639205, 1278410]

約数ペア:

[(1, 1278410), (2, 639205), (5, 255682), (7, 182630), (10, 127841), (14, 91315), (35, 36526), (49, 26090), (70, 18263), (98, 13045), (245, 5218), (490, 2609)]