1380940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6277}}^1$

素因数の和:6297

約数の個数: 24

約数和(自身を含む): 3164112

約数和(自身を除く): 1783172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6277, 12554, 25108, 31385, 62770, 69047, 125540, 138094, 276188, 345235, 690470, 1380940]

約数ペア:

[(1, 1380940), (2, 690470), (4, 345235), (5, 276188), (10, 138094), (11, 125540), (20, 69047), (22, 62770), (44, 31385), (55, 25108), (110, 12554), (220, 6277)]