254329040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{454159}}^1$

素因数の和:454179

約数の個数: 40

約数和(自身を含む): 675790080

約数和(自身を除く): 421461040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 454159, 908318, 1816636, 2270795, 3179113, 3633272, 4541590, 6358226, 7266544, 9083180, 12716452, 15895565, 18166360, 25432904, 31791130, 36332720, 50865808, 63582260, 127164520, 254329040]

約数ペア:

[(1, 254329040), (2, 127164520), (4, 63582260), (5, 50865808), (7, 36332720), (8, 31791130), (10, 25432904), (14, 18166360), (16, 15895565), (20, 12716452), (28, 9083180), (35, 7266544), (40, 6358226), (56, 4541590), (70, 3633272), (80, 3179113), (112, 2270795), (140, 1816636), (280, 908318), (560, 454159)]