858780020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6134143}}^1$

素因数の和:6134159

約数の個数: 24

約数和(自身を含む): 2061072384

約数和(自身を除く): 1202292364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6134143, 12268286, 24536572, 30670715, 42939001, 61341430, 85878002, 122682860, 171756004, 214695005, 429390010, 858780020]

約数ペア:

[(1, 858780020), (2, 429390010), (4, 214695005), (5, 171756004), (7, 122682860), (10, 85878002), (14, 61341430), (20, 42939001), (28, 30670715), (35, 24536572), (70, 12268286), (140, 6134143)]