126638540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{129223}}^1$

素因数の和:129246

約数の個数: 36

約数和(自身を含む): 309362256

約数和(自身を除く): 182723716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 129223, 258446, 516892, 646115, 904561, 1292230, 1809122, 2584460, 3618244, 4522805, 6331927, 9045610, 12663854, 18091220, 25327708, 31659635, 63319270, 126638540]

約数ペア:

[(1, 126638540), (2, 63319270), (4, 31659635), (5, 25327708), (7, 18091220), (10, 12663854), (14, 9045610), (20, 6331927), (28, 4522805), (35, 3618244), (49, 2584460), (70, 1809122), (98, 1292230), (140, 904561), (196, 646115), (245, 516892), (490, 258446), (980, 129223)]