287415080

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{28627}}^1$

素因数の和:28889

約数の個数: 32

約数和(自身を含む): 649283040

約数和(自身を除く): 361867960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 28627, 57254, 114508, 143135, 229016, 286270, 572540, 1145080, 7185377, 14370754, 28741508, 35926885, 57483016, 71853770, 143707540, 287415080]

約数ペア:

[(1, 287415080), (2, 143707540), (4, 71853770), (5, 57483016), (8, 35926885), (10, 28741508), (20, 14370754), (40, 7185377), (251, 1145080), (502, 572540), (1004, 286270), (1255, 229016), (2008, 143135), (2510, 114508), (5020, 57254), (10040, 28627)]