1333780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1361}}^1$

素因数の和:1384

約数の個数: 36

約数和(自身を含む): 3260628

約数和(自身を除く): 1926848

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1361, 2722, 5444, 6805, 9527, 13610, 19054, 27220, 38108, 47635, 66689, 95270, 133378, 190540, 266756, 333445, 666890, 1333780]

約数ペア:

[(1, 1333780), (2, 666890), (4, 333445), (5, 266756), (7, 190540), (10, 133378), (14, 95270), (20, 66689), (28, 47635), (35, 38108), (49, 27220), (70, 19054), (98, 13610), (140, 9527), (196, 6805), (245, 5444), (490, 2722), (980, 1361)]