487520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 1261008

約数和(自身を除く): 773488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 277, 352, 440, 554, 880, 1108, 1385, 1760, 2216, 2770, 3047, 4432, 5540, 6094, 8864, 11080, 12188, 15235, 22160, 24376, 30470, 44320, 48752, 60940, 97504, 121880, 243760, 487520]

約数ペア:

[(1, 487520), (2, 243760), (4, 121880), (5, 97504), (8, 60940), (10, 48752), (11, 44320), (16, 30470), (20, 24376), (22, 22160), (32, 15235), (40, 12188), (44, 11080), (55, 8864), (80, 6094), (88, 5540), (110, 4432), (160, 3047), (176, 2770), (220, 2216), (277, 1760), (352, 1385), (440, 1108), (554, 880)]