2791474280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9969551}}^1$

素因数の和:9969569

約数の個数: 32

約数和(自身を含む): 7178077440

約数和(自身を除く): 4386603160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9969551, 19939102, 39878204, 49847755, 69786857, 79756408, 99695510, 139573714, 199391020, 279147428, 348934285, 398782040, 558294856, 697868570, 1395737140, 2791474280]

約数ペア:

[(1, 2791474280), (2, 1395737140), (4, 697868570), (5, 558294856), (7, 398782040), (8, 348934285), (10, 279147428), (14, 199391020), (20, 139573714), (28, 99695510), (35, 79756408), (40, 69786857), (56, 49847755), (70, 39878204), (140, 19939102), (280, 9969551)]