838780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2467}}^1$

素因数の和:2493

約数の個数: 24

約数和(自身を含む): 1865808

約数和(自身を除く): 1027028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2467, 4934, 9868, 12335, 24670, 41939, 49340, 83878, 167756, 209695, 419390, 838780]

約数ペア:

[(1, 838780), (2, 419390), (4, 209695), (5, 167756), (10, 83878), (17, 49340), (20, 41939), (34, 24670), (68, 12335), (85, 9868), (170, 4934), (340, 2467)]