28729000

素因数分解:

$2^3\times 5^3\times {\mathrm{28729}}^1$

素因数の和:28750

約数の個数: 32

約数和(自身を含む): 67228200

約数和(自身を除く): 38499200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 28729, 57458, 114916, 143645, 229832, 287290, 574580, 718225, 1149160, 1436450, 2872900, 3591125, 5745800, 7182250, 14364500, 28729000]

約数ペア:

[(1, 28729000), (2, 14364500), (4, 7182250), (5, 5745800), (8, 3591125), (10, 2872900), (20, 1436450), (25, 1149160), (40, 718225), (50, 574580), (100, 287290), (125, 229832), (200, 143645), (250, 114916), (500, 57458), (1000, 28729)]