1981420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14153}}^1$

素因数の和:14169

約数の個数: 24

約数和(自身を含む): 4755744

約数和(自身を除く): 2774324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14153, 28306, 56612, 70765, 99071, 141530, 198142, 283060, 396284, 495355, 990710, 1981420]

約数ペア:

[(1, 1981420), (2, 990710), (4, 495355), (5, 396284), (7, 283060), (10, 198142), (14, 141530), (20, 99071), (28, 70765), (35, 56612), (70, 28306), (140, 14153)]