836690980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{589219}}^1$

素因数の和:589299

約数の個数: 24

約数和(自身を含む): 1781801280

約数和(自身を除く): 945110300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 589219, 1178438, 2356876, 2946095, 5892190, 11784380, 41834549, 83669098, 167338196, 209172745, 418345490, 836690980]

約数ペア:

[(1, 836690980), (2, 418345490), (4, 209172745), (5, 167338196), (10, 83669098), (20, 41834549), (71, 11784380), (142, 5892190), (284, 2946095), (355, 2356876), (710, 1178438), (1420, 589219)]