128845630

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2749}}^1$

素因数の和:2908

約数の個数: 32

約数和(自身を含む): 239580000

約数和(自身を除く): 110734370

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 430, 545, 1090, 2749, 4687, 5498, 9374, 13745, 23435, 27490, 46870, 118207, 236414, 299641, 591035, 599282, 1182070, 1498205, 2996410, 12884563, 25769126, 64422815, 128845630]

約数ペア:

[(1, 128845630), (2, 64422815), (5, 25769126), (10, 12884563), (43, 2996410), (86, 1498205), (109, 1182070), (215, 599282), (218, 591035), (430, 299641), (545, 236414), (1090, 118207), (2749, 46870), (4687, 27490), (5498, 23435), (9374, 13745)]