812980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5807}}^1$

素因数の和:5823

約数の個数: 24

約数和(自身を含む): 1951488

約数和(自身を除く): 1138508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5807, 11614, 23228, 29035, 40649, 58070, 81298, 116140, 162596, 203245, 406490, 812980]

約数ペア:

[(1, 812980), (2, 406490), (4, 203245), (5, 162596), (7, 116140), (10, 81298), (14, 58070), (20, 40649), (28, 29035), (35, 23228), (70, 11614), (140, 5807)]