30719845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 11414555

約数列:

[1, 5, 13, 29, 43, 65, 145, 215, 377, 379, 559, 1247, 1885, 1895, 2795, 4927, 6235, 10991, 16211, 16297, 24635, 54955, 81055, 81485, 142883, 211861, 472613, 714415, 1059305, 2363065, 6143969, 30719845]

約数ペア:

[(1, 30719845), (5, 6143969), (13, 2363065), (29, 1059305), (43, 714415), (65, 472613), (145, 211861), (215, 142883), (377, 81485), (379, 81055), (559, 54955), (1247, 24635), (1885, 16297), (1895, 16211), (2795, 10991), (4927, 6235)]