204429470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{417203}}^1$

素因数の和:417224

約数の個数: 24

約数和(自身を含む): 428051304

約数和(自身を除く): 223621834

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 417203, 834406, 2086015, 2920421, 4172030, 5840842, 14602105, 20442947, 29204210, 40885894, 102214735, 204429470]

約数ペア:

[(1, 204429470), (2, 102214735), (5, 40885894), (7, 29204210), (10, 20442947), (14, 14602105), (35, 5840842), (49, 4172030), (70, 2920421), (98, 2086015), (245, 834406), (490, 417203)]