188238080

素因数分解:

$2^8\times 5^1\times {\mathrm{199}}^1\times {\mathrm{739}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 453768000

約数和(自身を除く): 265529920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 398, 640, 739, 796, 995, 1280, 1478, 1592, 1990, 2956, 3184, 3695, 3980, 5912, 6368, 7390, 7960, 11824, 12736, 14780, 15920, 23648, 25472, 29560, 31840, 47296, 50944, 59120, 63680, 94592, 118240, 127360, 147061, 189184, 236480, 254720, 294122, 472960, 588244, 735305, 945920, 1176488, 1470610, 2352976, 2941220, 4705952, 5882440, 9411904, 11764880, 18823808, 23529760, 37647616, 47059520, 94119040, 188238080]

約数ペア:

[(1, 188238080), (2, 94119040), (4, 47059520), (5, 37647616), (8, 23529760), (10, 18823808), (16, 11764880), (20, 9411904), (32, 5882440), (40, 4705952), (64, 2941220), (80, 2352976), (128, 1470610), (160, 1176488), (199, 945920), (256, 735305), (320, 588244), (398, 472960), (640, 294122), (739, 254720), (796, 236480), (995, 189184), (1280, 147061), (1478, 127360), (1592, 118240), (1990, 94592), (2956, 63680), (3184, 59120), (3695, 50944), (3980, 47296), (5912, 31840), (6368, 29560), (7390, 25472), (7960, 23648), (11824, 15920), (12736, 14780)]