319851616

素因数分解:

$2^5\times 7^4\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 120

約数和(自身を含む): 770790384

約数和(自身を除く): 450938768

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 181, 184, 196, 224, 322, 343, 362, 368, 392, 644, 686, 724, 736, 784, 1127, 1267, 1288, 1372, 1448, 1568, 2254, 2401, 2534, 2576, 2744, 2896, 4163, 4508, 4802, 5068, 5152, 5488, 5792, 7889, 8326, 8869, 9016, 9604, 10136, 10976, 15778, 16652, 17738, 18032, 19208, 20272, 29141, 31556, 33304, 35476, 36064, 38416, 40544, 55223, 58282, 62083, 63112, 66608, 70952, 76832, 110446, 116564, 124166, 126224, 133216, 141904, 203987, 220892, 233128, 248332, 252448, 283808, 407974, 434581, 441784, 466256, 496664, 815948, 869162, 883568, 932512, 993328, 1427909, 1631896, 1738324, 1767136, 1986656, 2855818, 3263792, 3476648, 5711636, 6527584, 6953296, 9995363, 11423272, 13906592, 19990726, 22846544, 39981452, 45693088, 79962904, 159925808, 319851616]

約数ペア:

[(1, 319851616), (2, 159925808), (4, 79962904), (7, 45693088), (8, 39981452), (14, 22846544), (16, 19990726), (23, 13906592), (28, 11423272), (32, 9995363), (46, 6953296), (49, 6527584), (56, 5711636), (92, 3476648), (98, 3263792), (112, 2855818), (161, 1986656), (181, 1767136), (184, 1738324), (196, 1631896), (224, 1427909), (322, 993328), (343, 932512), (362, 883568), (368, 869162), (392, 815948), (644, 496664), (686, 466256), (724, 441784), (736, 434581), (784, 407974), (1127, 283808), (1267, 252448), (1288, 248332), (1372, 233128), (1448, 220892), (1568, 203987), (2254, 141904), (2401, 133216), (2534, 126224), (2576, 124166), (2744, 116564), (2896, 110446), (4163, 76832), (4508, 70952), (4802, 66608), (5068, 63112), (5152, 62083), (5488, 58282), (5792, 55223), (7889, 40544), (8326, 38416), (8869, 36064), (9016, 35476), (9604, 33304), (10136, 31556), (10976, 29141), (15778, 20272), (16652, 19208), (17738, 18032)]