205505748

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 180

約数和(自身を含む): 650577312

約数和(自身を除く): 445071564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 228, 251, 252, 266, 324, 342, 361, 378, 399, 502, 513, 532, 567, 684, 722, 753, 756, 798, 1004, 1026, 1083, 1134, 1197, 1444, 1506, 1539, 1596, 1757, 2052, 2166, 2259, 2268, 2394, 2527, 3012, 3078, 3249, 3514, 3591, 4332, 4518, 4769, 4788, 5054, 5271, 6156, 6498, 6777, 7028, 7182, 7581, 9036, 9538, 9747, 10108, 10542, 10773, 12996, 13554, 14307, 14364, 15162, 15813, 19076, 19494, 20331, 21084, 21546, 22743, 27108, 28614, 29241, 30324, 31626, 33383, 38988, 40662, 42921, 43092, 45486, 47439, 57228, 58482, 63252, 66766, 68229, 81324, 85842, 90611, 90972, 94878, 100149, 116964, 128763, 133532, 136458, 142317, 171684, 181222, 189756, 200298, 204687, 257526, 271833, 272916, 284634, 300447, 362444, 386289, 400596, 409374, 515052, 543666, 569268, 600894, 634277, 772578, 815499, 818748, 901341, 1087332, 1201788, 1268554, 1545156, 1630998, 1802682, 1902831, 2446497, 2537108, 2704023, 3261996, 3605364, 3805662, 4892994, 5408046, 5708493, 7339491, 7611324, 9785988, 10816092, 11416986, 14678982, 17125479, 22833972, 29357964, 34250958, 51376437, 68501916, 102752874, 205505748]

約数ペア:

[(1, 205505748), (2, 102752874), (3, 68501916), (4, 51376437), (6, 34250958), (7, 29357964), (9, 22833972), (12, 17125479), (14, 14678982), (18, 11416986), (19, 10816092), (21, 9785988), (27, 7611324), (28, 7339491), (36, 5708493), (38, 5408046), (42, 4892994), (54, 3805662), (57, 3605364), (63, 3261996), (76, 2704023), (81, 2537108), (84, 2446497), (108, 1902831), (114, 1802682), (126, 1630998), (133, 1545156), (162, 1268554), (171, 1201788), (189, 1087332), (228, 901341), (251, 818748), (252, 815499), (266, 772578), (324, 634277), (342, 600894), (361, 569268), (378, 543666), (399, 515052), (502, 409374), (513, 400596), (532, 386289), (567, 362444), (684, 300447), (722, 284634), (753, 272916), (756, 271833), (798, 257526), (1004, 204687), (1026, 200298), (1083, 189756), (1134, 181222), (1197, 171684), (1444, 142317), (1506, 136458), (1539, 133532), (1596, 128763), (1757, 116964), (2052, 100149), (2166, 94878), (2259, 90972), (2268, 90611), (2394, 85842), (2527, 81324), (3012, 68229), (3078, 66766), (3249, 63252), (3514, 58482), (3591, 57228), (4332, 47439), (4518, 45486), (4769, 43092), (4788, 42921), (5054, 40662), (5271, 38988), (6156, 33383), (6498, 31626), (6777, 30324), (7028, 29241), (7182, 28614), (7581, 27108), (9036, 22743), (9538, 21546), (9747, 21084), (10108, 20331), (10542, 19494), (10773, 19076), (12996, 15813), (13554, 15162), (14307, 14364)]