220171280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3607}}^1$

素因数の和:3736

約数の個数: 80

約数和(自身を含む): 590557440

約数和(自身を除く): 370386160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3607, 3815, 4360, 6104, 7214, 7630, 8720, 12208, 14428, 15260, 18035, 25249, 28856, 30520, 36070, 50498, 57712, 61040, 72140, 100996, 126245, 144280, 201992, 252490, 288560, 393163, 403984, 504980, 786326, 1009960, 1572652, 1965815, 2019920, 2752141, 3145304, 3931630, 5504282, 6290608, 7863260, 11008564, 13760705, 15726520, 22017128, 27521410, 31453040, 44034256, 55042820, 110085640, 220171280]

約数ペア:

[(1, 220171280), (2, 110085640), (4, 55042820), (5, 44034256), (7, 31453040), (8, 27521410), (10, 22017128), (14, 15726520), (16, 13760705), (20, 11008564), (28, 7863260), (35, 6290608), (40, 5504282), (56, 3931630), (70, 3145304), (80, 2752141), (109, 2019920), (112, 1965815), (140, 1572652), (218, 1009960), (280, 786326), (436, 504980), (545, 403984), (560, 393163), (763, 288560), (872, 252490), (1090, 201992), (1526, 144280), (1744, 126245), (2180, 100996), (3052, 72140), (3607, 61040), (3815, 57712), (4360, 50498), (6104, 36070), (7214, 30520), (7630, 28856), (8720, 25249), (12208, 18035), (14428, 15260)]