380271385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 546061824

約数和(自身を除く): 165790439

約数列:

[1, 5, 13, 17, 37, 65, 71, 85, 131, 185, 221, 355, 481, 629, 655, 923, 1105, 1207, 1703, 2227, 2405, 2627, 3145, 4615, 4847, 6035, 8177, 8515, 9301, 11135, 13135, 15691, 24235, 28951, 34151, 40885, 44659, 46505, 63011, 78455, 82399, 120913, 144755, 158117, 170755, 223295, 315055, 344137, 411995, 580567, 604565, 790585, 1071187, 1720685, 2055521, 2902835, 4473781, 5355935, 5850329, 10277605, 22368905, 29251645, 76054277, 380271385]

約数ペア:

[(1, 380271385), (5, 76054277), (13, 29251645), (17, 22368905), (37, 10277605), (65, 5850329), (71, 5355935), (85, 4473781), (131, 2902835), (185, 2055521), (221, 1720685), (355, 1071187), (481, 790585), (629, 604565), (655, 580567), (923, 411995), (1105, 344137), (1207, 315055), (1703, 223295), (2227, 170755), (2405, 158117), (2627, 144755), (3145, 120913), (4615, 82399), (4847, 78455), (6035, 63011), (8177, 46505), (8515, 44659), (9301, 40885), (11135, 34151), (13135, 28951), (15691, 24235)]