30185260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{859}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 72817920

約数和(自身を除く): 42632660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 859, 1004, 1255, 1718, 1757, 2510, 3436, 3514, 4295, 5020, 6013, 7028, 8590, 8785, 12026, 17180, 17570, 24052, 30065, 35140, 60130, 120260, 215609, 431218, 862436, 1078045, 1509263, 2156090, 3018526, 4312180, 6037052, 7546315, 15092630, 30185260]

約数ペア:

[(1, 30185260), (2, 15092630), (4, 7546315), (5, 6037052), (7, 4312180), (10, 3018526), (14, 2156090), (20, 1509263), (28, 1078045), (35, 862436), (70, 431218), (140, 215609), (251, 120260), (502, 60130), (859, 35140), (1004, 30065), (1255, 24052), (1718, 17570), (1757, 17180), (2510, 12026), (3436, 8785), (3514, 8590), (4295, 7028), (5020, 6013)]