2017780090

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{459631}}^1$

素因数の和:460077

約数の個数: 16

約数和(自身を含む): 3640285440

約数和(自身を除く): 1622505350

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 459631, 919262, 2298155, 4596310, 201778009, 403556018, 1008890045, 2017780090]

約数ペア:

[(1, 2017780090), (2, 1008890045), (5, 403556018), (10, 201778009), (439, 4596310), (878, 2298155), (2195, 919262), (4390, 459631)]