2765140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19751}}^1$

素因数の和:19767

約数の個数: 24

約数和(自身を含む): 6636672

約数和(自身を除く): 3871532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19751, 39502, 79004, 98755, 138257, 197510, 276514, 395020, 553028, 691285, 1382570, 2765140]

約数ペア:

[(1, 2765140), (2, 1382570), (4, 691285), (5, 553028), (7, 395020), (10, 276514), (14, 197510), (20, 138257), (28, 98755), (35, 79004), (70, 39502), (140, 19751)]