858555940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{35803}}^1$

素因数の和:35932

約数の個数: 48

約数和(自身を含む): 1984973760

約数和(自身を除く): 1126417820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11990, 23980, 35803, 71606, 143212, 179015, 358030, 393833, 716060, 787666, 1575332, 1969165, 3902527, 3938330, 7805054, 7876660, 15610108, 19512635, 39025270, 42927797, 78050540, 85855594, 171711188, 214638985, 429277970, 858555940]

約数ペア:

[(1, 858555940), (2, 429277970), (4, 214638985), (5, 171711188), (10, 85855594), (11, 78050540), (20, 42927797), (22, 39025270), (44, 19512635), (55, 15610108), (109, 7876660), (110, 7805054), (218, 3938330), (220, 3902527), (436, 1969165), (545, 1575332), (1090, 787666), (1199, 716060), (2180, 393833), (2398, 358030), (4796, 179015), (5995, 143212), (11990, 71606), (23980, 35803)]