30281845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 12175115

約数列:

[1, 5, 11, 17, 55, 85, 139, 187, 233, 695, 935, 1165, 1529, 2363, 2563, 3961, 7645, 11815, 12815, 19805, 25993, 32387, 43571, 129965, 161935, 217855, 356257, 550579, 1781285, 2752895, 6056369, 30281845]

約数ペア:

[(1, 30281845), (5, 6056369), (11, 2752895), (17, 1781285), (55, 550579), (85, 356257), (139, 217855), (187, 161935), (233, 129965), (695, 43571), (935, 32387), (1165, 25993), (1529, 19805), (2363, 12815), (2563, 11815), (3961, 7645)]