2689540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19211}}^1$

素因数の和:19227

約数の個数: 24

約数和(自身を含む): 6455232

約数和(自身を除く): 3765692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19211, 38422, 76844, 96055, 134477, 192110, 268954, 384220, 537908, 672385, 1344770, 2689540]

約数ペア:

[(1, 2689540), (2, 1344770), (4, 672385), (5, 537908), (7, 384220), (10, 268954), (14, 192110), (20, 134477), (28, 96055), (35, 76844), (70, 38422), (140, 19211)]