2803780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2861}}^1$

素因数の和:2884

約数の個数: 36

約数和(自身を含む): 6851628

約数和(自身を除く): 4047848

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2861, 5722, 11444, 14305, 20027, 28610, 40054, 57220, 80108, 100135, 140189, 200270, 280378, 400540, 560756, 700945, 1401890, 2803780]

約数ペア:

[(1, 2803780), (2, 1401890), (4, 700945), (5, 560756), (7, 400540), (10, 280378), (14, 200270), (20, 140189), (28, 100135), (35, 80108), (49, 57220), (70, 40054), (98, 28610), (140, 20027), (196, 14305), (245, 11444), (490, 5722), (980, 2861)]