243760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 620496

約数和(自身を除く): 376736

約数列:

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

約数ペア:

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