394891010

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{2377}}^1$

素因数の和:2870

約数の個数: 32

約数和(自身を含む): 731948400

約数和(自身を除く): 337057390

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 449, 898, 2245, 2377, 4490, 4754, 11885, 16613, 23770, 33226, 83065, 87949, 166130, 175898, 439745, 879490, 1067273, 2134546, 5336365, 10672730, 39489101, 78978202, 197445505, 394891010]

約数ペア:

[(1, 394891010), (2, 197445505), (5, 78978202), (10, 39489101), (37, 10672730), (74, 5336365), (185, 2134546), (370, 1067273), (449, 879490), (898, 439745), (2245, 175898), (2377, 166130), (4490, 87949), (4754, 83065), (11885, 33226), (16613, 23770)]