2176900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1979}}^1$

素因数の和:2004

約数の個数: 36

約数和(自身を含む): 5155920

約数和(自身を除く): 2979020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 1979, 3958, 7916, 9895, 19790, 21769, 39580, 43538, 49475, 87076, 98950, 108845, 197900, 217690, 435380, 544225, 1088450, 2176900]

約数ペア:

[(1, 2176900), (2, 1088450), (4, 544225), (5, 435380), (10, 217690), (11, 197900), (20, 108845), (22, 98950), (25, 87076), (44, 49475), (50, 43538), (55, 39580), (100, 21769), (110, 19790), (220, 9895), (275, 7916), (550, 3958), (1100, 1979)]