203489905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{30169}}^1$

素因数の和:30264

約数の個数: 16

約数和(自身を含む): 260668800

約数和(自身を除く): 57178895

約数列:

[1, 5, 19, 71, 95, 355, 1349, 6745, 30169, 150845, 573211, 2141999, 2866055, 10709995, 40697981, 203489905]

約数ペア:

[(1, 203489905), (5, 40697981), (19, 10709995), (71, 2866055), (95, 2141999), (355, 573211), (1349, 150845), (6745, 30169)]