30012280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17449}}^1$

素因数の和:17503

約数の個数: 32

約数和(自身を含む): 69102000

約数和(自身を除く): 39089720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17449, 34898, 69796, 87245, 139592, 174490, 348980, 697960, 750307, 1500614, 3001228, 3751535, 6002456, 7503070, 15006140, 30012280]

約数ペア:

[(1, 30012280), (2, 15006140), (4, 7503070), (5, 6002456), (8, 3751535), (10, 3001228), (20, 1500614), (40, 750307), (43, 697960), (86, 348980), (172, 174490), (215, 139592), (344, 87245), (430, 69796), (860, 34898), (1720, 17449)]