209432020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:569

約数の個数: 96

約数和(自身を含む): 528772608

約数和(自身を除く): 319340588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 193, 230, 322, 337, 386, 460, 644, 674, 772, 805, 965, 1348, 1351, 1610, 1685, 1930, 2359, 2702, 3220, 3370, 3860, 4439, 4718, 5404, 6740, 6755, 7751, 8878, 9436, 11795, 13510, 15502, 17756, 22195, 23590, 27020, 31004, 31073, 38755, 44390, 47180, 54257, 62146, 65041, 77510, 88780, 108514, 124292, 130082, 155020, 155365, 217028, 260164, 271285, 310730, 325205, 455287, 542570, 621460, 650410, 910574, 1085140, 1300820, 1495943, 1821148, 2276435, 2991886, 4552870, 5983772, 7479715, 9105740, 10471601, 14959430, 20943202, 29918860, 41886404, 52358005, 104716010, 209432020]

約数ペア:

[(1, 209432020), (2, 104716010), (4, 52358005), (5, 41886404), (7, 29918860), (10, 20943202), (14, 14959430), (20, 10471601), (23, 9105740), (28, 7479715), (35, 5983772), (46, 4552870), (70, 2991886), (92, 2276435), (115, 1821148), (140, 1495943), (161, 1300820), (193, 1085140), (230, 910574), (322, 650410), (337, 621460), (386, 542570), (460, 455287), (644, 325205), (674, 310730), (772, 271285), (805, 260164), (965, 217028), (1348, 155365), (1351, 155020), (1610, 130082), (1685, 124292), (1930, 108514), (2359, 88780), (2702, 77510), (3220, 65041), (3370, 62146), (3860, 54257), (4439, 47180), (4718, 44390), (5404, 38755), (6740, 31073), (6755, 31004), (7751, 27020), (8878, 23590), (9436, 22195), (11795, 17756), (13510, 15502)]