18901400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 52496640

約数和(自身を除く): 33595240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 460, 575, 587, 644, 700, 805, 920, 1150, 1174, 1288, 1400, 1610, 2300, 2348, 2935, 3220, 4025, 4109, 4600, 4696, 5870, 6440, 8050, 8218, 11740, 13501, 14675, 16100, 16436, 20545, 23480, 27002, 29350, 32200, 32872, 41090, 54004, 58700, 67505, 82180, 94507, 102725, 108008, 117400, 135010, 164360, 189014, 205450, 270020, 337525, 378028, 410900, 472535, 540040, 675050, 756056, 821800, 945070, 1350100, 1890140, 2362675, 2700200, 3780280, 4725350, 9450700, 18901400]

約数ペア:

[(1, 18901400), (2, 9450700), (4, 4725350), (5, 3780280), (7, 2700200), (8, 2362675), (10, 1890140), (14, 1350100), (20, 945070), (23, 821800), (25, 756056), (28, 675050), (35, 540040), (40, 472535), (46, 410900), (50, 378028), (56, 337525), (70, 270020), (92, 205450), (100, 189014), (115, 164360), (140, 135010), (161, 117400), (175, 108008), (184, 102725), (200, 94507), (230, 82180), (280, 67505), (322, 58700), (350, 54004), (460, 41090), (575, 32872), (587, 32200), (644, 29350), (700, 27002), (805, 23480), (920, 20545), (1150, 16436), (1174, 16100), (1288, 14675), (1400, 13501), (1610, 11740), (2300, 8218), (2348, 8050), (2935, 6440), (3220, 5870), (4025, 4696), (4109, 4600)]