30565780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2003}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 74067840

約数和(自身を除く): 43502060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2003, 2180, 3052, 3815, 4006, 7630, 8012, 10015, 14021, 15260, 20030, 28042, 40060, 56084, 70105, 140210, 218327, 280420, 436654, 873308, 1091635, 1528289, 2183270, 3056578, 4366540, 6113156, 7641445, 15282890, 30565780]

約数ペア:

[(1, 30565780), (2, 15282890), (4, 7641445), (5, 6113156), (7, 4366540), (10, 3056578), (14, 2183270), (20, 1528289), (28, 1091635), (35, 873308), (70, 436654), (109, 280420), (140, 218327), (218, 140210), (436, 70105), (545, 56084), (763, 40060), (1090, 28042), (1526, 20030), (2003, 15260), (2180, 14021), (3052, 10015), (3815, 8012), (4006, 7630)]