208040630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{2999}}^1$

素因数の和:4004

約数の個数: 32

約数和(自身を含む): 428544000

約数和(自身を除く): 220503370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 991, 1982, 2999, 4955, 5998, 6937, 9910, 13874, 14995, 20993, 29990, 34685, 41986, 69370, 104965, 209930, 2972009, 5944018, 14860045, 20804063, 29720090, 41608126, 104020315, 208040630]

約数ペア:

[(1, 208040630), (2, 104020315), (5, 41608126), (7, 29720090), (10, 20804063), (14, 14860045), (35, 5944018), (70, 2972009), (991, 209930), (1982, 104965), (2999, 69370), (4955, 41986), (5998, 34685), (6937, 29990), (9910, 20993), (13874, 14995)]