285965990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{402769}}^1$

素因数の和:402847

約数の個数: 16

約数和(自身を含む): 521989920

約数和(自身を除く): 236023930

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 402769, 805538, 2013845, 4027690, 28596599, 57193198, 142982995, 285965990]

約数ペア:

[(1, 285965990), (2, 142982995), (5, 57193198), (10, 28596599), (71, 4027690), (142, 2013845), (355, 805538), (710, 402769)]