15400990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140009}}^1$

素因数の和:140027

約数の個数: 16

約数和(自身を含む): 30242160

約数和(自身を除く): 14841170

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 140009, 280018, 700045, 1400090, 1540099, 3080198, 7700495, 15400990]

約数ペア:

[(1, 15400990), (2, 7700495), (5, 3080198), (10, 1540099), (11, 1400090), (22, 700045), (55, 280018), (110, 140009)]