135638860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{138407}}^1$

素因数の和:138430

約数の個数: 36

約数和(自身を含む): 331348752

約数和(自身を除く): 195709892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 138407, 276814, 553628, 692035, 968849, 1384070, 1937698, 2768140, 3875396, 4844245, 6781943, 9688490, 13563886, 19376980, 27127772, 33909715, 67819430, 135638860]

約数ペア:

[(1, 135638860), (2, 67819430), (4, 33909715), (5, 27127772), (7, 19376980), (10, 13563886), (14, 9688490), (20, 6781943), (28, 4844245), (35, 3875396), (49, 2768140), (70, 1937698), (98, 1384070), (140, 968849), (196, 692035), (245, 553628), (490, 276814), (980, 138407)]