856340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 1838592

約数和(自身を除く): 982252

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 911, 940, 1822, 3644, 4555, 9110, 18220, 42817, 85634, 171268, 214085, 428170, 856340]

約数ペア:

[(1, 856340), (2, 428170), (4, 214085), (5, 171268), (10, 85634), (20, 42817), (47, 18220), (94, 9110), (188, 4555), (235, 3644), (470, 1822), (911, 940)]