3943340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2777}}^1$

素因数の和:2857

約数の個数: 24

約数和(自身を含む): 8400672

約数和(自身を除く): 4457332

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2777, 5554, 11108, 13885, 27770, 55540, 197167, 394334, 788668, 985835, 1971670, 3943340]

約数ペア:

[(1, 3943340), (2, 1971670), (4, 985835), (5, 788668), (10, 394334), (20, 197167), (71, 55540), (142, 27770), (284, 13885), (355, 11108), (710, 5554), (1420, 2777)]