4392820

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{919}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 9273600

約数和(自身を除く): 4880780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 919, 956, 1195, 1838, 2390, 3676, 4595, 4780, 9190, 18380, 219641, 439282, 878564, 1098205, 2196410, 4392820]

約数ペア:

[(1, 4392820), (2, 2196410), (4, 1098205), (5, 878564), (10, 439282), (20, 219641), (239, 18380), (478, 9190), (919, 4780), (956, 4595), (1195, 3676), (1838, 2390)]