121220140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163811}}^1$

素因数の和:163857

約数の個数: 24

約数和(自身を含む): 261443952

約数和(自身を除く): 140223812

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 163811, 327622, 655244, 819055, 1638110, 3276220, 6061007, 12122014, 24244028, 30305035, 60610070, 121220140]

約数ペア:

[(1, 121220140), (2, 60610070), (4, 30305035), (5, 24244028), (10, 12122014), (20, 6061007), (37, 3276220), (74, 1638110), (148, 819055), (185, 655244), (370, 327622), (740, 163811)]