214340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1531}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 514752

約数和(自身を除く): 300412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1531, 3062, 6124, 7655, 10717, 15310, 21434, 30620, 42868, 53585, 107170, 214340]

約数ペア:

[(1, 214340), (2, 107170), (4, 53585), (5, 42868), (7, 30620), (10, 21434), (14, 15310), (20, 10717), (28, 7655), (35, 6124), (70, 3062), (140, 1531)]