1287800090

素因数分解:

$2^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{183709}}^1$

素因数の和:184417

約数の個数: 16

約数和(自身を含む): 2321359560

約数和(自身を除く): 1033559470

約数列:

[1, 2, 5, 10, 701, 1402, 3505, 7010, 183709, 367418, 918545, 1837090, 128780009, 257560018, 643900045, 1287800090]

約数ペア:

[(1, 1287800090), (2, 643900045), (5, 257560018), (10, 128780009), (701, 1837090), (1402, 918545), (3505, 367418), (7010, 183709)]