311942980

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{32027}}^1$

素因数の和:32523

約数の個数: 24

約数和(自身を含む): 656445888

約数和(自身を除く): 344502908

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 32027, 64054, 128108, 160135, 320270, 640540, 15597149, 31194298, 62388596, 77985745, 155971490, 311942980]

約数ペア:

[(1, 311942980), (2, 155971490), (4, 77985745), (5, 62388596), (10, 31194298), (20, 15597149), (487, 640540), (974, 320270), (1948, 160135), (2435, 128108), (4870, 64054), (9740, 32027)]