7287220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21433}}^1$

素因数の和:21459

約数の個数: 24

約数和(自身を含む): 16204104

約数和(自身を除く): 8916884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 21433, 42866, 85732, 107165, 214330, 364361, 428660, 728722, 1457444, 1821805, 3643610, 7287220]

約数ペア:

[(1, 7287220), (2, 3643610), (4, 1821805), (5, 1457444), (10, 728722), (17, 428660), (20, 364361), (34, 214330), (68, 107165), (85, 85732), (170, 42866), (340, 21433)]