1281860

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 2721600

約数和(自身を除く): 1439740

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 599, 1070, 1198, 2140, 2396, 2995, 5990, 11980, 64093, 128186, 256372, 320465, 640930, 1281860]

約数ペア:

[(1, 1281860), (2, 640930), (4, 320465), (5, 256372), (10, 128186), (20, 64093), (107, 11980), (214, 5990), (428, 2995), (535, 2396), (599, 2140), (1070, 1198)]