200719360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 88

約数和(自身を含む): 486367200

約数和(自身を除く): 285647840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 199, 256, 320, 394, 398, 512, 640, 788, 796, 985, 995, 1024, 1280, 1576, 1592, 1970, 1990, 2560, 3152, 3184, 3940, 3980, 5120, 6304, 6368, 7880, 7960, 12608, 12736, 15760, 15920, 25216, 25472, 31520, 31840, 39203, 50432, 50944, 63040, 63680, 78406, 100864, 101888, 126080, 127360, 156812, 196015, 201728, 203776, 252160, 254720, 313624, 392030, 504320, 509440, 627248, 784060, 1008640, 1018880, 1254496, 1568120, 2508992, 3136240, 5017984, 6272480, 10035968, 12544960, 20071936, 25089920, 40143872, 50179840, 100359680, 200719360]

約数ペア:

[(1, 200719360), (2, 100359680), (4, 50179840), (5, 40143872), (8, 25089920), (10, 20071936), (16, 12544960), (20, 10035968), (32, 6272480), (40, 5017984), (64, 3136240), (80, 2508992), (128, 1568120), (160, 1254496), (197, 1018880), (199, 1008640), (256, 784060), (320, 627248), (394, 509440), (398, 504320), (512, 392030), (640, 313624), (788, 254720), (796, 252160), (985, 203776), (995, 201728), (1024, 196015), (1280, 156812), (1576, 127360), (1592, 126080), (1970, 101888), (1990, 100864), (2560, 78406), (3152, 63680), (3184, 63040), (3940, 50944), (3980, 50432), (5120, 39203), (6304, 31840), (6368, 31520), (7880, 25472), (7960, 25216), (12608, 15920), (12736, 15760)]