390940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1777}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 896112

約数和(自身を除く): 505172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1777, 3554, 7108, 8885, 17770, 19547, 35540, 39094, 78188, 97735, 195470, 390940]

約数ペア:

[(1, 390940), (2, 195470), (4, 97735), (5, 78188), (10, 39094), (11, 35540), (20, 19547), (22, 17770), (44, 8885), (55, 7108), (110, 3554), (220, 1777)]