12929500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1399

約数の個数: 48

約数和(自身を含む): 29746080

約数和(自身を除く): 16816580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1361, 1900, 2375, 2722, 4750, 5444, 6805, 9500, 13610, 25859, 27220, 34025, 51718, 68050, 103436, 129295, 136100, 170125, 258590, 340250, 517180, 646475, 680500, 1292950, 2585900, 3232375, 6464750, 12929500]

約数ペア:

[(1, 12929500), (2, 6464750), (4, 3232375), (5, 2585900), (10, 1292950), (19, 680500), (20, 646475), (25, 517180), (38, 340250), (50, 258590), (76, 170125), (95, 136100), (100, 129295), (125, 103436), (190, 68050), (250, 51718), (380, 34025), (475, 27220), (500, 25859), (950, 13610), (1361, 9500), (1900, 6805), (2375, 5444), (2722, 4750)]