391570240

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{64403}}^1$

素因数の和:64439

約数の個数: 56

約数和(自身を含む): 981516960

約数和(自身を除く): 589946720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 64403, 128806, 257612, 322015, 515224, 644030, 1030448, 1223657, 1288060, 2060896, 2447314, 2576120, 4121792, 4894628, 5152240, 6118285, 9789256, 10304480, 12236570, 19578512, 20608960, 24473140, 39157024, 48946280, 78314048, 97892560, 195785120, 391570240]

約数ペア:

[(1, 391570240), (2, 195785120), (4, 97892560), (5, 78314048), (8, 48946280), (10, 39157024), (16, 24473140), (19, 20608960), (20, 19578512), (32, 12236570), (38, 10304480), (40, 9789256), (64, 6118285), (76, 5152240), (80, 4894628), (95, 4121792), (152, 2576120), (160, 2447314), (190, 2060896), (304, 1288060), (320, 1223657), (380, 1030448), (608, 644030), (760, 515224), (1216, 322015), (1520, 257612), (3040, 128806), (6080, 64403)]