278315296

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 691109496

約数和(自身を除く): 412794200

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 53, 56, 68, 98, 106, 112, 119, 136, 196, 197, 212, 224, 238, 272, 371, 392, 394, 424, 476, 544, 742, 784, 788, 833, 848, 901, 952, 1379, 1484, 1568, 1576, 1666, 1696, 1802, 1904, 2597, 2758, 2968, 3152, 3332, 3349, 3604, 3808, 5194, 5516, 5936, 6304, 6307, 6664, 6698, 7208, 9653, 10388, 10441, 11032, 11872, 12614, 13328, 13396, 14416, 19306, 20776, 20882, 22064, 23443, 25228, 26656, 26792, 28832, 38612, 41552, 41764, 44128, 44149, 46886, 50456, 53584, 73087, 77224, 83104, 83528, 88298, 93772, 100912, 107168, 146174, 154448, 164101, 167056, 176596, 177497, 187544, 201824, 292348, 308896, 328202, 334112, 353192, 354994, 375088, 511609, 584696, 656404, 706384, 709988, 750176, 1023218, 1169392, 1242479, 1312808, 1412768, 1419976, 2046436, 2338784, 2484958, 2625616, 2839952, 4092872, 4969916, 5251232, 5679904, 8185744, 8697353, 9939832, 16371488, 17394706, 19879664, 34789412, 39759328, 69578824, 139157648, 278315296]

約数ペア:

[(1, 278315296), (2, 139157648), (4, 69578824), (7, 39759328), (8, 34789412), (14, 19879664), (16, 17394706), (17, 16371488), (28, 9939832), (32, 8697353), (34, 8185744), (49, 5679904), (53, 5251232), (56, 4969916), (68, 4092872), (98, 2839952), (106, 2625616), (112, 2484958), (119, 2338784), (136, 2046436), (196, 1419976), (197, 1412768), (212, 1312808), (224, 1242479), (238, 1169392), (272, 1023218), (371, 750176), (392, 709988), (394, 706384), (424, 656404), (476, 584696), (544, 511609), (742, 375088), (784, 354994), (788, 353192), (833, 334112), (848, 328202), (901, 308896), (952, 292348), (1379, 201824), (1484, 187544), (1568, 177497), (1576, 176596), (1666, 167056), (1696, 164101), (1802, 154448), (1904, 146174), (2597, 107168), (2758, 100912), (2968, 93772), (3152, 88298), (3332, 83528), (3349, 83104), (3604, 77224), (3808, 73087), (5194, 53584), (5516, 50456), (5936, 46886), (6304, 44149), (6307, 44128), (6664, 41764), (6698, 41552), (7208, 38612), (9653, 28832), (10388, 26792), (10441, 26656), (11032, 25228), (11872, 23443), (12614, 22064), (13328, 20882), (13396, 20776), (14416, 19306)]