208386775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 284981760

約数和(自身を除く): 76594985

約数列:

[1, 5, 19, 25, 37, 71, 95, 167, 185, 355, 475, 703, 835, 925, 1349, 1775, 2627, 3173, 3515, 4175, 6179, 6745, 11857, 13135, 15865, 17575, 30895, 33725, 49913, 59285, 65675, 79325, 117401, 154475, 225283, 249565, 296425, 438709, 587005, 1126415, 1247825, 2193545, 2935025, 5632075, 8335471, 10967725, 41677355, 208386775]

約数ペア:

[(1, 208386775), (5, 41677355), (19, 10967725), (25, 8335471), (37, 5632075), (71, 2935025), (95, 2193545), (167, 1247825), (185, 1126415), (355, 587005), (475, 438709), (703, 296425), (835, 249565), (925, 225283), (1349, 154475), (1775, 117401), (2627, 79325), (3173, 65675), (3515, 59285), (4175, 49913), (6179, 33725), (6745, 30895), (11857, 17575), (13135, 15865)]