156380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1117}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 375648

約数和(自身を除く): 219268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1117, 2234, 4468, 5585, 7819, 11170, 15638, 22340, 31276, 39095, 78190, 156380]

約数ペア:

[(1, 156380), (2, 78190), (4, 39095), (5, 31276), (7, 22340), (10, 15638), (14, 11170), (20, 7819), (28, 5585), (35, 4468), (70, 2234), (140, 1117)]