311375008

素因数分解:

$2^5\times 7^2\times {\mathrm{349}}^1\times {\mathrm{569}}^1$

素因数の和:942

約数の個数: 72

約数和(自身を含む): 716404500

約数和(自身を除く): 405029492

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 349, 392, 569, 698, 784, 1138, 1396, 1568, 2276, 2443, 2792, 3983, 4552, 4886, 5584, 7966, 9104, 9772, 11168, 15932, 17101, 18208, 19544, 27881, 31864, 34202, 39088, 55762, 63728, 68404, 78176, 111524, 127456, 136808, 198581, 223048, 273616, 397162, 446096, 547232, 794324, 892192, 1390067, 1588648, 2780134, 3177296, 5560268, 6354592, 9730469, 11120536, 19460938, 22241072, 38921876, 44482144, 77843752, 155687504, 311375008]

約数ペア:

[(1, 311375008), (2, 155687504), (4, 77843752), (7, 44482144), (8, 38921876), (14, 22241072), (16, 19460938), (28, 11120536), (32, 9730469), (49, 6354592), (56, 5560268), (98, 3177296), (112, 2780134), (196, 1588648), (224, 1390067), (349, 892192), (392, 794324), (569, 547232), (698, 446096), (784, 397162), (1138, 273616), (1396, 223048), (1568, 198581), (2276, 136808), (2443, 127456), (2792, 111524), (3983, 78176), (4552, 68404), (4886, 63728), (5584, 55762), (7966, 39088), (9104, 34202), (9772, 31864), (11168, 27881), (15932, 19544), (17101, 18208)]