66462620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67819}}^1$

素因数の和:67842

約数の個数: 36

約数和(自身を含む): 162361080

約数和(自身を除く): 95898460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67819, 135638, 271276, 339095, 474733, 678190, 949466, 1356380, 1898932, 2373665, 3323131, 4747330, 6646262, 9494660, 13292524, 16615655, 33231310, 66462620]

約数ペア:

[(1, 66462620), (2, 33231310), (4, 16615655), (5, 13292524), (7, 9494660), (10, 6646262), (14, 4747330), (20, 3323131), (28, 2373665), (35, 1898932), (49, 1356380), (70, 949466), (98, 678190), (140, 474733), (196, 339095), (245, 271276), (490, 135638), (980, 67819)]