54698980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390707}}^1$

素因数の和:390723

約数の個数: 24

約数和(自身を含む): 131277888

約数和(自身を除く): 76578908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390707, 781414, 1562828, 1953535, 2734949, 3907070, 5469898, 7814140, 10939796, 13674745, 27349490, 54698980]

約数ペア:

[(1, 54698980), (2, 27349490), (4, 13674745), (5, 10939796), (7, 7814140), (10, 5469898), (14, 3907070), (20, 2734949), (28, 1953535), (35, 1562828), (70, 781414), (140, 390707)]