123180260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{879859}}^1$

素因数の和:879875

約数の個数: 24

約数和(自身を含む): 295632960

約数和(自身を除く): 172452700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 879859, 1759718, 3519436, 4399295, 6159013, 8798590, 12318026, 17597180, 24636052, 30795065, 61590130, 123180260]

約数ペア:

[(1, 123180260), (2, 61590130), (4, 30795065), (5, 24636052), (7, 17597180), (10, 12318026), (14, 8798590), (20, 6159013), (28, 4399295), (35, 3519436), (70, 1759718), (140, 879859)]