870848660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{208337}}^1$

素因数の和:208376

約数の個数: 48

約数和(自身を含む): 2100047040

約数和(自身を除く): 1229198380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 208337, 416674, 833348, 1041685, 2083370, 2291707, 3958403, 4166740, 4583414, 7916806, 9166828, 11458535, 15833612, 19792015, 22917070, 39584030, 43542433, 45834140, 79168060, 87084866, 174169732, 217712165, 435424330, 870848660]

約数ペア:

[(1, 870848660), (2, 435424330), (4, 217712165), (5, 174169732), (10, 87084866), (11, 79168060), (19, 45834140), (20, 43542433), (22, 39584030), (38, 22917070), (44, 19792015), (55, 15833612), (76, 11458535), (95, 9166828), (110, 7916806), (190, 4583414), (209, 4166740), (220, 3958403), (380, 2291707), (418, 2083370), (836, 1041685), (1045, 833348), (2090, 416674), (4180, 208337)]