90839990

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{29209}}^1$

素因数の和:29527

約数の個数: 16

約数和(自身を含む): 164043360

約数和(自身を除く): 73203370

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 29209, 58418, 146045, 292090, 9083999, 18167998, 45419995, 90839990]

約数ペア:

[(1, 90839990), (2, 45419995), (5, 18167998), (10, 9083999), (311, 292090), (622, 146045), (1555, 58418), (3110, 29209)]