209415710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{427379}}^1$

素因数の和:427400

約数の個数: 24

約数和(自身を含む): 438491880

約数和(自身を除く): 229076170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 427379, 854758, 2136895, 2991653, 4273790, 5983306, 14958265, 20941571, 29916530, 41883142, 104707855, 209415710]

約数ペア:

[(1, 209415710), (2, 104707855), (5, 41883142), (7, 29916530), (10, 20941571), (14, 14958265), (35, 5983306), (49, 4273790), (70, 2991653), (98, 2136895), (245, 854758), (490, 427379)]