209819792

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2719}}^1$

素因数の和:2800

約数の個数: 80

約数和(自身を含む): 509967360

約数和(自身を除く): 300147568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 364, 371, 424, 689, 728, 742, 848, 1378, 1456, 1484, 2719, 2756, 2968, 4823, 5438, 5512, 5936, 9646, 10876, 11024, 19033, 19292, 21752, 35347, 38066, 38584, 43504, 70694, 76132, 77168, 141388, 144107, 152264, 247429, 282776, 288214, 304528, 494858, 565552, 576428, 989716, 1008749, 1152856, 1873391, 1979432, 2017498, 2305712, 3746782, 3958864, 4034996, 7493564, 8069992, 13113737, 14987128, 16139984, 26227474, 29974256, 52454948, 104909896, 209819792]

約数ペア:

[(1, 209819792), (2, 104909896), (4, 52454948), (7, 29974256), (8, 26227474), (13, 16139984), (14, 14987128), (16, 13113737), (26, 8069992), (28, 7493564), (52, 4034996), (53, 3958864), (56, 3746782), (91, 2305712), (104, 2017498), (106, 1979432), (112, 1873391), (182, 1152856), (208, 1008749), (212, 989716), (364, 576428), (371, 565552), (424, 494858), (689, 304528), (728, 288214), (742, 282776), (848, 247429), (1378, 152264), (1456, 144107), (1484, 141388), (2719, 77168), (2756, 76132), (2968, 70694), (4823, 43504), (5438, 38584), (5512, 38066), (5936, 35347), (9646, 21752), (10876, 19292), (11024, 19033)]