139912540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4397}}^1$

素因数の和:4486

約数の個数: 48

約数和(自身を含む): 308845152

約数和(自身を除く): 168932612

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 3182, 4397, 6364, 7955, 8794, 15910, 17588, 21985, 31820, 43970, 87940, 162689, 189071, 325378, 378142, 650756, 756284, 813445, 945355, 1626890, 1890710, 3253780, 3781420, 6995627, 13991254, 27982508, 34978135, 69956270, 139912540]

約数ペア:

[(1, 139912540), (2, 69956270), (4, 34978135), (5, 27982508), (10, 13991254), (20, 6995627), (37, 3781420), (43, 3253780), (74, 1890710), (86, 1626890), (148, 945355), (172, 813445), (185, 756284), (215, 650756), (370, 378142), (430, 325378), (740, 189071), (860, 162689), (1591, 87940), (3182, 43970), (4397, 31820), (6364, 21985), (7955, 17588), (8794, 15910)]