1779820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12713}}^1$

素因数の和:12729

約数の個数: 24

約数和(自身を含む): 4271904

約数和(自身を除く): 2492084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12713, 25426, 50852, 63565, 88991, 127130, 177982, 254260, 355964, 444955, 889910, 1779820]

約数ペア:

[(1, 1779820), (2, 889910), (4, 444955), (5, 355964), (7, 254260), (10, 177982), (14, 127130), (20, 88991), (28, 63565), (35, 50852), (70, 25426), (140, 12713)]