144961880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{517721}}^1$

素因数の和:517739

約数の個数: 32

約数和(自身を含む): 372759840

約数和(自身を除く): 227797960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 517721, 1035442, 2070884, 2588605, 3624047, 4141768, 5177210, 7248094, 10354420, 14496188, 18120235, 20708840, 28992376, 36240470, 72480940, 144961880]

約数ペア:

[(1, 144961880), (2, 72480940), (4, 36240470), (5, 28992376), (7, 20708840), (8, 18120235), (10, 14496188), (14, 10354420), (20, 7248094), (28, 5177210), (35, 4141768), (40, 3624047), (56, 2588605), (70, 2070884), (140, 1035442), (280, 517721)]