30305800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{21647}}^1$

素因数の和:21670

約数の個数: 48

約数和(自身を含む): 80530560

約数和(自身を除く): 50224760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 21647, 43294, 86588, 108235, 151529, 173176, 216470, 303058, 432940, 541175, 606116, 757645, 865880, 1082350, 1212232, 1515290, 2164700, 3030580, 3788225, 4329400, 6061160, 7576450, 15152900, 30305800]

約数ペア:

[(1, 30305800), (2, 15152900), (4, 7576450), (5, 6061160), (7, 4329400), (8, 3788225), (10, 3030580), (14, 2164700), (20, 1515290), (25, 1212232), (28, 1082350), (35, 865880), (40, 757645), (50, 606116), (56, 541175), (70, 432940), (100, 303058), (140, 216470), (175, 173176), (200, 151529), (280, 108235), (350, 86588), (700, 43294), (1400, 21647)]