398534192

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 900656640

約数和(自身を除く): 502122448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 179, 193, 206, 358, 386, 412, 716, 721, 772, 824, 1253, 1351, 1432, 1442, 1544, 1648, 2506, 2702, 2864, 2884, 3088, 5012, 5404, 5768, 10024, 10808, 11536, 18437, 19879, 20048, 21616, 34547, 36874, 39758, 69094, 73748, 79516, 129059, 138188, 139153, 147496, 159032, 241829, 258118, 276376, 278306, 294992, 318064, 483658, 516236, 552752, 556612, 967316, 1032472, 1113224, 1934632, 2064944, 2226448, 3558341, 3869264, 7116682, 14233364, 24908387, 28466728, 49816774, 56933456, 99633548, 199267096, 398534192]

約数ペア:

[(1, 398534192), (2, 199267096), (4, 99633548), (7, 56933456), (8, 49816774), (14, 28466728), (16, 24908387), (28, 14233364), (56, 7116682), (103, 3869264), (112, 3558341), (179, 2226448), (193, 2064944), (206, 1934632), (358, 1113224), (386, 1032472), (412, 967316), (716, 556612), (721, 552752), (772, 516236), (824, 483658), (1253, 318064), (1351, 294992), (1432, 278306), (1442, 276376), (1544, 258118), (1648, 241829), (2506, 159032), (2702, 147496), (2864, 139153), (2884, 138188), (3088, 129059), (5012, 79516), (5404, 73748), (5768, 69094), (10024, 39758), (10808, 36874), (11536, 34547), (18437, 21616), (19879, 20048)]