388302860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1765013}}^1$

素因数の和:1765033

約数の個数: 24

約数和(自身を含む): 889567056

約数和(自身を除く): 501264196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1765013, 3530026, 7060052, 8825065, 17650130, 19415143, 35300260, 38830286, 77660572, 97075715, 194151430, 388302860]

約数ペア:

[(1, 388302860), (2, 194151430), (4, 97075715), (5, 77660572), (10, 38830286), (11, 35300260), (20, 19415143), (22, 17650130), (44, 8825065), (55, 7060052), (110, 3530026), (220, 1765013)]