27770680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{99181}}^1$

素因数の和:99199

約数の個数: 32

約数和(自身を含む): 71411040

約数和(自身を除く): 43640360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 99181, 198362, 396724, 495905, 694267, 793448, 991810, 1388534, 1983620, 2777068, 3471335, 3967240, 5554136, 6942670, 13885340, 27770680]

約数ペア:

[(1, 27770680), (2, 13885340), (4, 6942670), (5, 5554136), (7, 3967240), (8, 3471335), (10, 2777068), (14, 1983620), (20, 1388534), (28, 991810), (35, 793448), (40, 694267), (56, 495905), (70, 396724), (140, 198362), (280, 99181)]