136669820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139459}}^1$

素因数の和:139482

約数の個数: 36

約数和(自身を含む): 333867240

約数和(自身を除く): 197197420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 139459, 278918, 557836, 697295, 976213, 1394590, 1952426, 2789180, 3904852, 4881065, 6833491, 9762130, 13666982, 19524260, 27333964, 34167455, 68334910, 136669820]

約数ペア:

[(1, 136669820), (2, 68334910), (4, 34167455), (5, 27333964), (7, 19524260), (10, 13666982), (14, 9762130), (20, 6833491), (28, 4881065), (35, 3904852), (49, 2789180), (70, 1952426), (98, 1394590), (140, 976213), (196, 697295), (245, 557836), (490, 278918), (980, 139459)]