42440020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{303143}}^1$

素因数の和:303159

約数の個数: 24

約数和(自身を含む): 101856384

約数和(自身を除く): 59416364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 303143, 606286, 1212572, 1515715, 2122001, 3031430, 4244002, 6062860, 8488004, 10610005, 21220010, 42440020]

約数ペア:

[(1, 42440020), (2, 21220010), (4, 10610005), (5, 8488004), (7, 6062860), (10, 4244002), (14, 3031430), (20, 2122001), (28, 1515715), (35, 1212572), (70, 606286), (140, 303143)]