628540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2857}}^1$

素因数の和:2877

約数の個数: 24

約数和(自身を含む): 1440432

約数和(自身を除く): 811892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2857, 5714, 11428, 14285, 28570, 31427, 57140, 62854, 125708, 157135, 314270, 628540]

約数ペア:

[(1, 628540), (2, 314270), (4, 157135), (5, 125708), (10, 62854), (11, 57140), (20, 31427), (22, 28570), (44, 14285), (55, 11428), (110, 5714), (220, 2857)]