305440268

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{78479}}^1$

素因数の和:78629

約数の個数: 24

約数和(自身を含む): 615283200

約数和(自身を除く): 309842932

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 78479, 156958, 313916, 549353, 1098706, 2197412, 10908581, 21817162, 43634324, 76360067, 152720134, 305440268]

約数ペア:

[(1, 305440268), (2, 152720134), (4, 76360067), (7, 43634324), (14, 21817162), (28, 10908581), (139, 2197412), (278, 1098706), (556, 549353), (973, 313916), (1946, 156958), (3892, 78479)]