209048285

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{4019}}^1$

素因数の和:4228

約数の個数: 16

約数和(自身を含む): 255864960

約数和(自身を除く): 46816675

約数列:

[1, 5, 101, 103, 505, 515, 4019, 10403, 20095, 52015, 405919, 413957, 2029595, 2069785, 41809657, 209048285]

約数ペア:

[(1, 209048285), (5, 41809657), (101, 2069785), (103, 2029595), (505, 413957), (515, 405919), (4019, 52015), (10403, 20095)]