209314390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{294809}}^1$

素因数の和:294887

約数の個数: 16

約数和(自身を含む): 382073760

約数和(自身を除く): 172759370

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 294809, 589618, 1474045, 2948090, 20931439, 41862878, 104657195, 209314390]

約数ペア:

[(1, 209314390), (2, 104657195), (5, 41862878), (10, 20931439), (71, 2948090), (142, 1474045), (355, 589618), (710, 294809)]