208522240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:457

約数の個数: 88

約数和(自身を含む): 505527120

約数和(自身を除く): 297004880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 293, 320, 512, 556, 586, 640, 695, 1024, 1112, 1172, 1280, 1390, 1465, 2224, 2344, 2560, 2780, 2930, 4448, 4688, 5120, 5560, 5860, 8896, 9376, 11120, 11720, 17792, 18752, 22240, 23440, 35584, 37504, 40727, 44480, 46880, 71168, 75008, 81454, 88960, 93760, 142336, 150016, 162908, 177920, 187520, 203635, 300032, 325816, 355840, 375040, 407270, 651632, 711680, 750080, 814540, 1303264, 1500160, 1629080, 2606528, 3258160, 5213056, 6516320, 10426112, 13032640, 20852224, 26065280, 41704448, 52130560, 104261120, 208522240]

約数ペア:

[(1, 208522240), (2, 104261120), (4, 52130560), (5, 41704448), (8, 26065280), (10, 20852224), (16, 13032640), (20, 10426112), (32, 6516320), (40, 5213056), (64, 3258160), (80, 2606528), (128, 1629080), (139, 1500160), (160, 1303264), (256, 814540), (278, 750080), (293, 711680), (320, 651632), (512, 407270), (556, 375040), (586, 355840), (640, 325816), (695, 300032), (1024, 203635), (1112, 187520), (1172, 177920), (1280, 162908), (1390, 150016), (1465, 142336), (2224, 93760), (2344, 88960), (2560, 81454), (2780, 75008), (2930, 71168), (4448, 46880), (4688, 44480), (5120, 40727), (5560, 37504), (5860, 35584), (8896, 23440), (9376, 22240), (11120, 18752), (11720, 17792)]