2115804970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2980007}}^1$

素因数の和:2980085

約数の個数: 16

約数和(自身を含む): 3862090368

約数和(自身を除く): 1746285398

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2980007, 5960014, 14900035, 29800070, 211580497, 423160994, 1057902485, 2115804970]

約数ペア:

[(1, 2115804970), (2, 1057902485), (5, 423160994), (10, 211580497), (71, 29800070), (142, 14900035), (355, 5960014), (710, 2980007)]