1427776420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10198403}}^1$

素因数の和:10198419

約数の個数: 24

約数和(自身を含む): 3426663744

約数和(自身を除く): 1998887324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10198403, 20396806, 40793612, 50992015, 71388821, 101984030, 142777642, 203968060, 285555284, 356944105, 713888210, 1427776420]

約数ペア:

[(1, 1427776420), (2, 713888210), (4, 356944105), (5, 285555284), (7, 203968060), (10, 142777642), (14, 101984030), (20, 71388821), (28, 50992015), (35, 40793612), (70, 20396806), (140, 10198403)]