1279841045

素因数分解:

$5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 1957562880

約数和(自身を除く): 677721835

約数列:

[1, 5, 7, 19, 31, 35, 49, 95, 133, 155, 181, 217, 245, 343, 589, 665, 905, 931, 1085, 1267, 1519, 1715, 2401, 2945, 3439, 4123, 4655, 5611, 6335, 6517, 7595, 8869, 10633, 12005, 17195, 20615, 24073, 28055, 28861, 32585, 39277, 44345, 45619, 53165, 62083, 74431, 106609, 120365, 144305, 168511, 196385, 202027, 228095, 274939, 310415, 372155, 434581, 533045, 746263, 842555, 1010135, 1179577, 1374695, 1414189, 1924573, 2172905, 3731315, 5223841, 5897885, 7070945, 8257039, 9622865, 13472011, 26119205, 36566887, 41285195, 67360055, 182834435, 255968209, 1279841045]

約数ペア:

[(1, 1279841045), (5, 255968209), (7, 182834435), (19, 67360055), (31, 41285195), (35, 36566887), (49, 26119205), (95, 13472011), (133, 9622865), (155, 8257039), (181, 7070945), (217, 5897885), (245, 5223841), (343, 3731315), (589, 2172905), (665, 1924573), (905, 1414189), (931, 1374695), (1085, 1179577), (1267, 1010135), (1519, 842555), (1715, 746263), (2401, 533045), (2945, 434581), (3439, 372155), (4123, 310415), (4655, 274939), (5611, 228095), (6335, 202027), (6517, 196385), (7595, 168511), (8869, 144305), (10633, 120365), (12005, 106609), (17195, 74431), (20615, 62083), (24073, 53165), (28055, 45619), (28861, 44345), (32585, 39277)]