68435180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{28279}}^1$

素因数の和:28310

約数の個数: 36

約数和(自身を含む): 157972080

約数和(自身を除く): 89536900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 28279, 56558, 113116, 141395, 282790, 311069, 565580, 622138, 1244276, 1555345, 3110690, 3421759, 6221380, 6843518, 13687036, 17108795, 34217590, 68435180]

約数ペア:

[(1, 68435180), (2, 34217590), (4, 17108795), (5, 13687036), (10, 6843518), (11, 6221380), (20, 3421759), (22, 3110690), (44, 1555345), (55, 1244276), (110, 622138), (121, 565580), (220, 311069), (242, 282790), (484, 141395), (605, 113116), (1210, 56558), (2420, 28279)]