2869820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 6386688

約数和(自身を除く): 3516868

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 71, 86, 94, 142, 172, 188, 215, 235, 284, 355, 430, 470, 710, 860, 940, 1420, 2021, 3053, 3337, 4042, 6106, 6674, 8084, 10105, 12212, 13348, 15265, 16685, 20210, 30530, 33370, 40420, 61060, 66740, 143491, 286982, 573964, 717455, 1434910, 2869820]

約数ペア:

[(1, 2869820), (2, 1434910), (4, 717455), (5, 573964), (10, 286982), (20, 143491), (43, 66740), (47, 61060), (71, 40420), (86, 33370), (94, 30530), (142, 20210), (172, 16685), (188, 15265), (215, 13348), (235, 12212), (284, 10105), (355, 8084), (430, 6674), (470, 6106), (710, 4042), (860, 3337), (940, 3053), (1420, 2021)]