390782576

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1285469}}^1$

素因数の和:1285496

約数の個数: 20

約数和(自身を含む): 796991400

約数和(自身を除く): 406208824

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1285469, 2570938, 5141876, 10283752, 20567504, 24423911, 48847822, 97695644, 195391288, 390782576]

約数ペア:

[(1, 390782576), (2, 195391288), (4, 97695644), (8, 48847822), (16, 24423911), (19, 20567504), (38, 10283752), (76, 5141876), (152, 2570938), (304, 1285469)]