2770090

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{631}}^1$

素因数の和:1077

約数の個数: 16

約数和(自身を含む): 5005440

約数和(自身を除く): 2235350

約数列:

[1, 2, 5, 10, 439, 631, 878, 1262, 2195, 3155, 4390, 6310, 277009, 554018, 1385045, 2770090]

約数ペア:

[(1, 2770090), (2, 1385045), (5, 554018), (10, 277009), (439, 6310), (631, 4390), (878, 3155), (1262, 2195)]