1720346540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{710887}}^1$

素因数の和:710918

約数の個数: 36

約数和(自身を含む): 3971020368

約数和(自身を除く): 2250673828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 710887, 1421774, 2843548, 3554435, 7108870, 7819757, 14217740, 15639514, 31279028, 39098785, 78197570, 86017327, 156395140, 172034654, 344069308, 430086635, 860173270, 1720346540]

約数ペア:

[(1, 1720346540), (2, 860173270), (4, 430086635), (5, 344069308), (10, 172034654), (11, 156395140), (20, 86017327), (22, 78197570), (44, 39098785), (55, 31279028), (110, 15639514), (121, 14217740), (220, 7819757), (242, 7108870), (484, 3554435), (605, 2843548), (1210, 1421774), (2420, 710887)]