127839460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{913139}}^1$

素因数の和:913155

約数の個数: 24

約数和(自身を含む): 306815040

約数和(自身を除く): 178975580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 913139, 1826278, 3652556, 4565695, 6391973, 9131390, 12783946, 18262780, 25567892, 31959865, 63919730, 127839460]

約数ペア:

[(1, 127839460), (2, 63919730), (4, 31959865), (5, 25567892), (7, 18262780), (10, 12783946), (14, 9131390), (20, 6391973), (28, 4565695), (35, 3652556), (70, 1826278), (140, 913139)]