205406682

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 128

約数和(自身を含む): 510935040

約数和(自身を除く): 305528358

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 31, 34, 38, 39, 51, 57, 62, 78, 93, 102, 114, 186, 221, 247, 263, 323, 403, 442, 494, 526, 527, 589, 646, 663, 741, 789, 806, 969, 1054, 1178, 1209, 1326, 1482, 1578, 1581, 1767, 1938, 2418, 3162, 3419, 3534, 4199, 4471, 4997, 6838, 6851, 7657, 8153, 8398, 8942, 9994, 10013, 10257, 12597, 13413, 13702, 14991, 15314, 16306, 20026, 20514, 20553, 22971, 24459, 25194, 26826, 29982, 30039, 41106, 45942, 48918, 58123, 60078, 64961, 84949, 105989, 116246, 129922, 130169, 138601, 154907, 169898, 174369, 194883, 211978, 254847, 260338, 277202, 309814, 317967, 348738, 389766, 390507, 415803, 464721, 509694, 635934, 781014, 831606, 929442, 1104337, 1801813, 2013791, 2208674, 2633419, 3313011, 3603626, 4027582, 5266838, 5405439, 6041373, 6626022, 7900257, 10810878, 12082746, 15800514, 34234447, 68468894, 102703341, 205406682]

約数ペア:

[(1, 205406682), (2, 102703341), (3, 68468894), (6, 34234447), (13, 15800514), (17, 12082746), (19, 10810878), (26, 7900257), (31, 6626022), (34, 6041373), (38, 5405439), (39, 5266838), (51, 4027582), (57, 3603626), (62, 3313011), (78, 2633419), (93, 2208674), (102, 2013791), (114, 1801813), (186, 1104337), (221, 929442), (247, 831606), (263, 781014), (323, 635934), (403, 509694), (442, 464721), (494, 415803), (526, 390507), (527, 389766), (589, 348738), (646, 317967), (663, 309814), (741, 277202), (789, 260338), (806, 254847), (969, 211978), (1054, 194883), (1178, 174369), (1209, 169898), (1326, 154907), (1482, 138601), (1578, 130169), (1581, 129922), (1767, 116246), (1938, 105989), (2418, 84949), (3162, 64961), (3419, 60078), (3534, 58123), (4199, 48918), (4471, 45942), (4997, 41106), (6838, 30039), (6851, 29982), (7657, 26826), (8153, 25194), (8398, 24459), (8942, 22971), (9994, 20553), (10013, 20514), (10257, 20026), (12597, 16306), (13413, 15314), (13702, 14991)]