308314510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{31687}}^1$

素因数の和:31840

約数の個数: 32

約数和(自身を含む): 638830080

約数和(自身を除く): 330515570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 31687, 63374, 158435, 221809, 316870, 443618, 1109045, 2218090, 4404493, 8808986, 22022465, 30831451, 44044930, 61662902, 154157255, 308314510]

約数ペア:

[(1, 308314510), (2, 154157255), (5, 61662902), (7, 44044930), (10, 30831451), (14, 22022465), (35, 8808986), (70, 4404493), (139, 2218090), (278, 1109045), (695, 443618), (973, 316870), (1390, 221809), (1946, 158435), (4865, 63374), (9730, 31687)]