137902660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{140717}}^1$

素因数の和:140740

約数の個数: 36

約数和(自身を含む): 336878892

約数和(自身を除く): 198976232

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 140717, 281434, 562868, 703585, 985019, 1407170, 1970038, 2814340, 3940076, 4925095, 6895133, 9850190, 13790266, 19700380, 27580532, 34475665, 68951330, 137902660]

約数ペア:

[(1, 137902660), (2, 68951330), (4, 34475665), (5, 27580532), (7, 19700380), (10, 13790266), (14, 9850190), (20, 6895133), (28, 4925095), (35, 3940076), (49, 2814340), (70, 1970038), (98, 1407170), (140, 985019), (196, 703585), (245, 562868), (490, 281434), (980, 140717)]