222081025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 302480640

約数和(自身を除く): 80399615

約数列:

[1, 5, 19, 25, 43, 83, 95, 131, 215, 415, 475, 655, 817, 1075, 1577, 2075, 2489, 3275, 3569, 4085, 5633, 7885, 10873, 12445, 17845, 20425, 28165, 39425, 54365, 62225, 67811, 89225, 107027, 140825, 206587, 271825, 339055, 467539, 535135, 1032935, 1695275, 2337695, 2675675, 5164675, 8883241, 11688475, 44416205, 222081025]

約数ペア:

[(1, 222081025), (5, 44416205), (19, 11688475), (25, 8883241), (43, 5164675), (83, 2675675), (95, 2337695), (131, 1695275), (215, 1032935), (415, 535135), (475, 467539), (655, 339055), (817, 271825), (1075, 206587), (1577, 140825), (2075, 107027), (2489, 89225), (3275, 67811), (3569, 62225), (4085, 54365), (5633, 39425), (7885, 28165), (10873, 20425), (12445, 17845)]