54879860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{391999}}^1$

素因数の和:392015

約数の個数: 24

約数和(自身を含む): 131712000

約数和(自身を除く): 76832140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 391999, 783998, 1567996, 1959995, 2743993, 3919990, 5487986, 7839980, 10975972, 13719965, 27439930, 54879860]

約数ペア:

[(1, 54879860), (2, 27439930), (4, 13719965), (5, 10975972), (7, 7839980), (10, 5487986), (14, 3919990), (20, 2743993), (28, 1959995), (35, 1567996), (70, 783998), (140, 391999)]