158780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 353808

約数和(自身を除く): 195028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 467, 934, 1868, 2335, 4670, 7939, 9340, 15878, 31756, 39695, 79390, 158780]

約数ペア:

[(1, 158780), (2, 79390), (4, 39695), (5, 31756), (10, 15878), (17, 9340), (20, 7939), (34, 4670), (68, 2335), (85, 1868), (170, 934), (340, 467)]