210008660

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{6299}}^1$

素因数の和:7975

約数の個数: 24

約数和(自身を含む): 441352800

約数和(自身を除く): 231344140

約数列:

[1, 2, 4, 5, 10, 20, 1667, 3334, 6299, 6668, 8335, 12598, 16670, 25196, 31495, 33340, 62990, 125980, 10500433, 21000866, 42001732, 52502165, 105004330, 210008660]

約数ペア:

[(1, 210008660), (2, 105004330), (4, 52502165), (5, 42001732), (10, 21000866), (20, 10500433), (1667, 125980), (3334, 62990), (6299, 33340), (6668, 31495), (8335, 25196), (12598, 16670)]