205280372

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 425988360

約数和(自身を除く): 220707988

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 61, 68, 121, 122, 187, 242, 244, 374, 409, 484, 671, 748, 818, 1037, 1342, 1636, 2057, 2074, 2684, 4114, 4148, 4499, 6953, 7381, 8228, 8998, 11407, 13906, 14762, 17996, 22814, 24949, 27812, 29524, 45628, 49489, 49898, 76483, 98978, 99796, 125477, 152966, 197956, 250954, 274439, 305932, 424133, 501908, 548878, 841313, 848266, 1097756, 1682626, 1696532, 3018829, 3365252, 4665463, 6037658, 9330926, 12075316, 18661852, 51320093, 102640186, 205280372]

約数ペア:

[(1, 205280372), (2, 102640186), (4, 51320093), (11, 18661852), (17, 12075316), (22, 9330926), (34, 6037658), (44, 4665463), (61, 3365252), (68, 3018829), (121, 1696532), (122, 1682626), (187, 1097756), (242, 848266), (244, 841313), (374, 548878), (409, 501908), (484, 424133), (671, 305932), (748, 274439), (818, 250954), (1037, 197956), (1342, 152966), (1636, 125477), (2057, 99796), (2074, 98978), (2684, 76483), (4114, 49898), (4148, 49489), (4499, 45628), (6953, 29524), (7381, 27812), (8228, 24949), (8998, 22814), (11407, 17996), (13906, 14762)]