486163640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{639689}}^1$

素因数の和:639719

約数の個数: 32

約数和(自身を含む): 1151442000

約数和(自身を除く): 665278360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 639689, 1279378, 2558756, 3198445, 5117512, 6396890, 12154091, 12793780, 24308182, 25587560, 48616364, 60770455, 97232728, 121540910, 243081820, 486163640]

約数ペア:

[(1, 486163640), (2, 243081820), (4, 121540910), (5, 97232728), (8, 60770455), (10, 48616364), (19, 25587560), (20, 24308182), (38, 12793780), (40, 12154091), (76, 6396890), (95, 5117512), (152, 3198445), (190, 2558756), (380, 1279378), (760, 639689)]