278497616

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 583355520

約数和(自身を除く): 304857904

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 109, 131, 184, 212, 218, 262, 368, 424, 436, 524, 848, 872, 1048, 1219, 1744, 2096, 2438, 2507, 3013, 4876, 5014, 5777, 6026, 6943, 9752, 10028, 11554, 12052, 13886, 14279, 19504, 20056, 23108, 24104, 27772, 28558, 40112, 46216, 48208, 55544, 57116, 92432, 111088, 114232, 132871, 159689, 228464, 265742, 319378, 328417, 531484, 638756, 656834, 756787, 1062968, 1277512, 1313668, 1513574, 2125936, 2555024, 2627336, 3027148, 5254672, 6054296, 12108592, 17406101, 34812202, 69624404, 139248808, 278497616]

約数ペア:

[(1, 278497616), (2, 139248808), (4, 69624404), (8, 34812202), (16, 17406101), (23, 12108592), (46, 6054296), (53, 5254672), (92, 3027148), (106, 2627336), (109, 2555024), (131, 2125936), (184, 1513574), (212, 1313668), (218, 1277512), (262, 1062968), (368, 756787), (424, 656834), (436, 638756), (524, 531484), (848, 328417), (872, 319378), (1048, 265742), (1219, 228464), (1744, 159689), (2096, 132871), (2438, 114232), (2507, 111088), (3013, 92432), (4876, 57116), (5014, 55544), (5777, 48208), (6026, 46216), (6943, 40112), (9752, 28558), (10028, 27772), (11554, 24104), (12052, 23108), (13886, 20056), (14279, 19504)]