281713040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{857}}^1$

素因数の和:1464

約数の個数: 80

約数和(自身を含む): 750701952

約数和(自身を除く): 468988912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 587, 857, 1174, 1714, 2348, 2935, 3428, 4109, 4285, 4696, 5870, 5999, 6856, 8218, 8570, 9392, 11740, 11998, 13712, 16436, 17140, 20545, 23480, 23996, 29995, 32872, 34280, 41090, 46960, 47992, 59990, 65744, 68560, 82180, 95984, 119980, 164360, 239960, 328720, 479920, 503059, 1006118, 2012236, 2515295, 3521413, 4024472, 5030590, 7042826, 8048944, 10061180, 14085652, 17607065, 20122360, 28171304, 35214130, 40244720, 56342608, 70428260, 140856520, 281713040]

約数ペア:

[(1, 281713040), (2, 140856520), (4, 70428260), (5, 56342608), (7, 40244720), (8, 35214130), (10, 28171304), (14, 20122360), (16, 17607065), (20, 14085652), (28, 10061180), (35, 8048944), (40, 7042826), (56, 5030590), (70, 4024472), (80, 3521413), (112, 2515295), (140, 2012236), (280, 1006118), (560, 503059), (587, 479920), (857, 328720), (1174, 239960), (1714, 164360), (2348, 119980), (2935, 95984), (3428, 82180), (4109, 68560), (4285, 65744), (4696, 59990), (5870, 47992), (5999, 46960), (6856, 41090), (8218, 34280), (8570, 32872), (9392, 29995), (11740, 23996), (11998, 23480), (13712, 20545), (16436, 17140)]