142268840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{508103}}^1$

素因数の和:508121

約数の個数: 32

約数和(自身を含む): 365834880

約数和(自身を除く): 223566040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 508103, 1016206, 2032412, 2540515, 3556721, 4064824, 5081030, 7113442, 10162060, 14226884, 17783605, 20324120, 28453768, 35567210, 71134420, 142268840]

約数ペア:

[(1, 142268840), (2, 71134420), (4, 35567210), (5, 28453768), (7, 20324120), (8, 17783605), (10, 14226884), (14, 10162060), (20, 7113442), (28, 5081030), (35, 4064824), (40, 3556721), (56, 2540515), (70, 2032412), (140, 1016206), (280, 508103)]