2878420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3347}}^1$

素因数の和:3399

約数の個数: 24

約数和(自身を含む): 6187104

約数和(自身を除く): 3308684

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 3347, 6694, 13388, 16735, 33470, 66940, 143921, 287842, 575684, 719605, 1439210, 2878420]

約数ペア:

[(1, 2878420), (2, 1439210), (4, 719605), (5, 575684), (10, 287842), (20, 143921), (43, 66940), (86, 33470), (172, 16735), (215, 13388), (430, 6694), (860, 3347)]