1285682020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1493}}^1\times {\mathrm{6151}}^1$

素因数の和:7660

約数の個数: 48

約数和(自身を含む): 3088205568

約数和(自身を除く): 1802523548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1493, 2986, 5972, 6151, 7465, 10451, 12302, 14930, 20902, 24604, 29860, 30755, 41804, 43057, 52255, 61510, 86114, 104510, 123020, 172228, 209020, 215285, 430570, 861140, 9183443, 18366886, 36733772, 45917215, 64284101, 91834430, 128568202, 183668860, 257136404, 321420505, 642841010, 1285682020]

約数ペア:

[(1, 1285682020), (2, 642841010), (4, 321420505), (5, 257136404), (7, 183668860), (10, 128568202), (14, 91834430), (20, 64284101), (28, 45917215), (35, 36733772), (70, 18366886), (140, 9183443), (1493, 861140), (2986, 430570), (5972, 215285), (6151, 209020), (7465, 172228), (10451, 123020), (12302, 104510), (14930, 86114), (20902, 61510), (24604, 52255), (29860, 43057), (30755, 41804)]