218016590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{180179}}^1$

素因数の和:180208

約数の個数: 24

約数和(自身を含む): 431350920

約数和(自身を除く): 213334330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 180179, 360358, 900895, 1801790, 1981969, 3963938, 9909845, 19819690, 21801659, 43603318, 109008295, 218016590]

約数ペア:

[(1, 218016590), (2, 109008295), (5, 43603318), (10, 21801659), (11, 19819690), (22, 9909845), (55, 3963938), (110, 1981969), (121, 1801790), (242, 900895), (605, 360358), (1210, 180179)]