70408940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{502921}}^1$

素因数の和:502937

約数の個数: 24

約数和(自身を含む): 168981792

約数和(自身を除く): 98572852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 502921, 1005842, 2011684, 2514605, 3520447, 5029210, 7040894, 10058420, 14081788, 17602235, 35204470, 70408940]

約数ペア:

[(1, 70408940), (2, 35204470), (4, 17602235), (5, 14081788), (7, 10058420), (10, 7040894), (14, 5029210), (20, 3520447), (28, 2514605), (35, 2011684), (70, 1005842), (140, 502921)]