249936020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{128833}}^1$

素因数の和:128939

約数の個数: 24

約数和(自身を含む): 530280744

約数和(自身を除く): 280344724

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 128833, 257666, 515332, 644165, 1288330, 2576660, 12496801, 24993602, 49987204, 62484005, 124968010, 249936020]

約数ペア:

[(1, 249936020), (2, 124968010), (4, 62484005), (5, 49987204), (10, 24993602), (20, 12496801), (97, 2576660), (194, 1288330), (388, 644165), (485, 515332), (970, 257666), (1940, 128833)]