418798940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2991421}}^1$

素因数の和:2991437

約数の個数: 24

約数和(自身を含む): 1005117792

約数和(自身を除く): 586318852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2991421, 5982842, 11965684, 14957105, 20939947, 29914210, 41879894, 59828420, 83759788, 104699735, 209399470, 418798940]

約数ペア:

[(1, 418798940), (2, 209399470), (4, 104699735), (5, 83759788), (7, 59828420), (10, 41879894), (14, 29914210), (20, 20939947), (28, 14957105), (35, 11965684), (70, 5982842), (140, 2991421)]