744792280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{135911}}^1$

素因数の和:136059

約数の個数: 32

約数和(自身を含む): 1688027040

約数和(自身を除く): 943234760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 135911, 271822, 543644, 679555, 1087288, 1359110, 2718220, 5436440, 18619807, 37239614, 74479228, 93099035, 148958456, 186198070, 372396140, 744792280]

約数ペア:

[(1, 744792280), (2, 372396140), (4, 186198070), (5, 148958456), (8, 93099035), (10, 74479228), (20, 37239614), (40, 18619807), (137, 5436440), (274, 2718220), (548, 1359110), (685, 1087288), (1096, 679555), (1370, 543644), (2740, 271822), (5480, 135911)]