199143280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1787}}^1$

素因数の和:2006

約数の個数: 80

約数和(自身を含む): 532108800

約数和(自身を除く): 332965520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 796, 995, 1393, 1592, 1787, 1990, 2786, 3184, 3574, 3980, 5572, 6965, 7148, 7960, 8935, 11144, 12509, 13930, 14296, 15920, 17870, 22288, 25018, 27860, 28592, 35740, 50036, 55720, 62545, 71480, 100072, 111440, 125090, 142960, 200144, 250180, 355613, 500360, 711226, 1000720, 1422452, 1778065, 2489291, 2844904, 3556130, 4978582, 5689808, 7112260, 9957164, 12446455, 14224520, 19914328, 24892910, 28449040, 39828656, 49785820, 99571640, 199143280]

約数ペア:

[(1, 199143280), (2, 99571640), (4, 49785820), (5, 39828656), (7, 28449040), (8, 24892910), (10, 19914328), (14, 14224520), (16, 12446455), (20, 9957164), (28, 7112260), (35, 5689808), (40, 4978582), (56, 3556130), (70, 2844904), (80, 2489291), (112, 1778065), (140, 1422452), (199, 1000720), (280, 711226), (398, 500360), (560, 355613), (796, 250180), (995, 200144), (1393, 142960), (1592, 125090), (1787, 111440), (1990, 100072), (2786, 71480), (3184, 62545), (3574, 55720), (3980, 50036), (5572, 35740), (6965, 28592), (7148, 27860), (7960, 25018), (8935, 22288), (11144, 17870), (12509, 15920), (13930, 14296)]