420050180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1909319}}^1$

素因数の和:1909339

約数の個数: 24

約数和(自身を含む): 962297280

約数和(自身を除く): 542247100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1909319, 3818638, 7637276, 9546595, 19093190, 21002509, 38186380, 42005018, 84010036, 105012545, 210025090, 420050180]

約数ペア:

[(1, 420050180), (2, 210025090), (4, 105012545), (5, 84010036), (10, 42005018), (11, 38186380), (20, 21002509), (22, 19093190), (44, 9546595), (55, 7637276), (110, 3818638), (220, 1909319)]