1288403030

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{258197}}^1$

素因数の和:258703

約数の個数: 16

約数和(自身を含む): 2323782000

約数和(自身を除く): 1035378970

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4990, 258197, 516394, 1290985, 2581970, 128840303, 257680606, 644201515, 1288403030]

約数ペア:

[(1, 1288403030), (2, 644201515), (5, 257680606), (10, 128840303), (499, 2581970), (998, 1290985), (2495, 516394), (4990, 258197)]