2649650

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:478

約数の個数: 24

約数和(自身を含む): 4971780

約数和(自身を除く): 2322130

約数列:

[1, 2, 5, 10, 25, 50, 197, 269, 394, 538, 985, 1345, 1970, 2690, 4925, 6725, 9850, 13450, 52993, 105986, 264965, 529930, 1324825, 2649650]

約数ペア:

[(1, 2649650), (2, 1324825), (5, 529930), (10, 264965), (25, 105986), (50, 52993), (197, 13450), (269, 9850), (394, 6725), (538, 4925), (985, 2690), (1345, 1970)]