388538270

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{547237}}^1$

素因数の和:547315

約数の個数: 16

約数和(自身を含む): 709220448

約数和(自身を除く): 320682178

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 547237, 1094474, 2736185, 5472370, 38853827, 77707654, 194269135, 388538270]

約数ペア:

[(1, 388538270), (2, 194269135), (5, 77707654), (10, 38853827), (71, 5472370), (142, 2736185), (355, 1094474), (710, 547237)]