320468004

素因数分解:

$2^2\times 3^2\times {\mathrm{8901889}}^1$

素因数の和:8901899

約数の個数: 18

約数和(自身を含む): 810071990

約数和(自身を除く): 489603986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 8901889, 17803778, 26705667, 35607556, 53411334, 80117001, 106822668, 160234002, 320468004]

約数ペア:

[(1, 320468004), (2, 160234002), (3, 106822668), (4, 80117001), (6, 53411334), (9, 35607556), (12, 26705667), (18, 17803778), (36, 8901889)]