489140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 1056552

約数和(自身を除く): 567412

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 661, 740, 1322, 2644, 3305, 6610, 13220, 24457, 48914, 97828, 122285, 244570, 489140]

約数ペア:

[(1, 489140), (2, 244570), (4, 122285), (5, 97828), (10, 48914), (20, 24457), (37, 13220), (74, 6610), (148, 3305), (185, 2644), (370, 1322), (661, 740)]