343580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 740880

約数和(自身を除く): 397300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 419, 820, 838, 1676, 2095, 4190, 8380, 17179, 34358, 68716, 85895, 171790, 343580]

約数ペア:

[(1, 343580), (2, 171790), (4, 85895), (5, 68716), (10, 34358), (20, 17179), (41, 8380), (82, 4190), (164, 2095), (205, 1676), (410, 838), (419, 820)]