201445480

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{18181}}^1$

素因数の和:18469

約数の個数: 32

約数和(自身を含む): 454913640

約数和(自身を除く): 253468160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 18181, 36362, 72724, 90905, 145448, 181810, 363620, 727240, 5036137, 10072274, 20144548, 25180685, 40289096, 50361370, 100722740, 201445480]

約数ペア:

[(1, 201445480), (2, 100722740), (4, 50361370), (5, 40289096), (8, 25180685), (10, 20144548), (20, 10072274), (40, 5036137), (277, 727240), (554, 363620), (1108, 181810), (1385, 145448), (2216, 90905), (2770, 72724), (5540, 36362), (11080, 18181)]