1395380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9967}}^1$

素因数の和:9983

約数の個数: 24

約数和(自身を含む): 3349248

約数和(自身を除く): 1953868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9967, 19934, 39868, 49835, 69769, 99670, 139538, 199340, 279076, 348845, 697690, 1395380]

約数ペア:

[(1, 1395380), (2, 697690), (4, 348845), (5, 279076), (7, 199340), (10, 139538), (14, 99670), (20, 69769), (28, 49835), (35, 39868), (70, 19934), (140, 9967)]