1245019970

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{249503}}^1$

素因数の和:250009

約数の個数: 16

約数和(自身を含む): 2245536000

約数和(自身を除く): 1000516030

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4990, 249503, 499006, 1247515, 2495030, 124501997, 249003994, 622509985, 1245019970]

約数ペア:

[(1, 1245019970), (2, 622509985), (5, 249003994), (10, 124501997), (499, 2495030), (998, 1247515), (2495, 499006), (4990, 249503)]