256423910

素因数分解:

$2^1\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{18199}}^1$

素因数の和:19615

約数の個数: 16

約数和(自身を含む): 461916000

約数和(自身を除く): 205492090

約数列:

[1, 2, 5, 10, 1409, 2818, 7045, 14090, 18199, 36398, 90995, 181990, 25642391, 51284782, 128211955, 256423910]

約数ペア:

[(1, 256423910), (2, 128211955), (5, 51284782), (10, 25642391), (1409, 181990), (2818, 90995), (7045, 36398), (14090, 18199)]