399433380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{6657223}}^1$

素因数の和:6657235

約数の個数: 24

約数和(自身を含む): 1118413632

約数和(自身を除く): 718980252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 6657223, 13314446, 19971669, 26628892, 33286115, 39943338, 66572230, 79886676, 99858345, 133144460, 199716690, 399433380]

約数ペア:

[(1, 399433380), (2, 199716690), (3, 133144460), (4, 99858345), (5, 79886676), (6, 66572230), (10, 39943338), (12, 33286115), (15, 26628892), (20, 19971669), (30, 13314446), (60, 6657223)]