30801980

素因数分解:

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

素因数の和:140029

約数の個数: 24

約数和(自身を含む): 70565040

約数和(自身を除く): 39763060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 140009, 280018, 560036, 700045, 1400090, 1540099, 2800180, 3080198, 6160396, 7700495, 15400990, 30801980]

約数ペア:

[(1, 30801980), (2, 15400990), (4, 7700495), (5, 6160396), (10, 3080198), (11, 2800180), (20, 1540099), (22, 1400090), (44, 700045), (55, 560036), (110, 280018), (220, 140009)]