320480752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1054213}}^1$

素因数の和:1054240

約数の個数: 20

約数和(自身を含む): 653612680

約数和(自身を除く): 333131928

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1054213, 2108426, 4216852, 8433704, 16867408, 20030047, 40060094, 80120188, 160240376, 320480752]

約数ペア:

[(1, 320480752), (2, 160240376), (4, 80120188), (8, 40060094), (16, 20030047), (19, 16867408), (38, 8433704), (76, 4216852), (152, 2108426), (304, 1054213)]