2499190

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1007

約数の個数: 16

約数和(自身を含む): 4516560

約数和(自身を除く): 2017370

約数列:

[1, 2, 5, 10, 491, 509, 982, 1018, 2455, 2545, 4910, 5090, 249919, 499838, 1249595, 2499190]

約数ペア:

[(1, 2499190), (2, 1249595), (5, 499838), (10, 249919), (491, 5090), (509, 4910), (982, 2545), (1018, 2455)]