2721005690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{4999}}^1$

素因数の和:5151

約数の個数: 64

約数和(自身を含む): 5443200000

約数和(自身を除く): 2722194310

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 79, 106, 130, 158, 265, 395, 530, 689, 790, 1027, 1378, 2054, 3445, 4187, 4999, 5135, 6890, 8374, 9998, 10270, 20935, 24995, 41870, 49990, 54431, 64987, 108862, 129974, 264947, 272155, 324935, 394921, 529894, 544310, 649870, 789842, 1324735, 1974605, 2649470, 3444311, 3949210, 5133973, 6888622, 10267946, 17221555, 20930813, 25669865, 34443110, 41861626, 51339730, 104654065, 209308130, 272100569, 544201138, 1360502845, 2721005690]

約数ペア:

[(1, 2721005690), (2, 1360502845), (5, 544201138), (10, 272100569), (13, 209308130), (26, 104654065), (53, 51339730), (65, 41861626), (79, 34443110), (106, 25669865), (130, 20930813), (158, 17221555), (265, 10267946), (395, 6888622), (530, 5133973), (689, 3949210), (790, 3444311), (1027, 2649470), (1378, 1974605), (2054, 1324735), (3445, 789842), (4187, 649870), (4999, 544310), (5135, 529894), (6890, 394921), (8374, 324935), (9998, 272155), (10270, 264947), (20935, 129974), (24995, 108862), (41870, 64987), (49990, 54431)]