654320090

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{439141}}^1$

素因数の和:439297

約数の個数: 16

約数和(自身を含む): 1185683400

約数和(自身を除く): 531363310

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 439141, 878282, 2195705, 4391410, 65432009, 130864018, 327160045, 654320090]

約数ペア:

[(1, 654320090), (2, 327160045), (5, 130864018), (10, 65432009), (149, 4391410), (298, 2195705), (745, 878282), (1490, 439141)]