208889600

素因数分解:

$2^8\times 5^2\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:410

約数の個数: 108

約数和(自身を含む): 523133184

約数和(自身を除く): 314243584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 200, 254, 256, 257, 320, 400, 508, 514, 635, 640, 800, 1016, 1028, 1270, 1280, 1285, 1600, 2032, 2056, 2540, 2570, 3175, 3200, 4064, 4112, 5080, 5140, 6350, 6400, 6425, 8128, 8224, 10160, 10280, 12700, 12850, 16256, 16448, 20320, 20560, 25400, 25700, 32512, 32639, 32896, 40640, 41120, 50800, 51400, 65278, 65792, 81280, 82240, 101600, 102800, 130556, 162560, 163195, 164480, 203200, 205600, 261112, 326390, 328960, 406400, 411200, 522224, 652780, 812800, 815975, 822400, 1044448, 1305560, 1631950, 1644800, 2088896, 2611120, 3263900, 4177792, 5222240, 6527800, 8355584, 10444480, 13055600, 20888960, 26111200, 41777920, 52222400, 104444800, 208889600]

約数ペア:

[(1, 208889600), (2, 104444800), (4, 52222400), (5, 41777920), (8, 26111200), (10, 20888960), (16, 13055600), (20, 10444480), (25, 8355584), (32, 6527800), (40, 5222240), (50, 4177792), (64, 3263900), (80, 2611120), (100, 2088896), (127, 1644800), (128, 1631950), (160, 1305560), (200, 1044448), (254, 822400), (256, 815975), (257, 812800), (320, 652780), (400, 522224), (508, 411200), (514, 406400), (635, 328960), (640, 326390), (800, 261112), (1016, 205600), (1028, 203200), (1270, 164480), (1280, 163195), (1285, 162560), (1600, 130556), (2032, 102800), (2056, 101600), (2540, 82240), (2570, 81280), (3175, 65792), (3200, 65278), (4064, 51400), (4112, 50800), (5080, 41120), (5140, 40640), (6350, 32896), (6400, 32639), (6425, 32512), (8128, 25700), (8224, 25400), (10160, 20560), (10280, 20320), (12700, 16448), (12850, 16256)]