339964000

素因数分解:

$2^5\times 5^3\times {\mathrm{84991}}^1$

素因数の和:85016

約数の個数: 48

約数和(自身を含む): 835301376

約数和(自身を除く): 495337376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 84991, 169982, 339964, 424955, 679928, 849910, 1359856, 1699820, 2124775, 2719712, 3399640, 4249550, 6799280, 8499100, 10623875, 13598560, 16998200, 21247750, 33996400, 42495500, 67992800, 84991000, 169982000, 339964000]

約数ペア:

[(1, 339964000), (2, 169982000), (4, 84991000), (5, 67992800), (8, 42495500), (10, 33996400), (16, 21247750), (20, 16998200), (25, 13598560), (32, 10623875), (40, 8499100), (50, 6799280), (80, 4249550), (100, 3399640), (125, 2719712), (160, 2124775), (200, 1699820), (250, 1359856), (400, 849910), (500, 679928), (800, 424955), (1000, 339964), (2000, 169982), (4000, 84991)]