353142560

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20249}}^1$

素因数の和:20373

約数の個数: 48

約数和(自身を含む): 841995000

約数和(自身を除く): 488852440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 17440, 20249, 40498, 80996, 101245, 161992, 202490, 323984, 404980, 647968, 809960, 1619920, 2207141, 3239840, 4414282, 8828564, 11035705, 17657128, 22071410, 35314256, 44142820, 70628512, 88285640, 176571280, 353142560]

約数ペア:

[(1, 353142560), (2, 176571280), (4, 88285640), (5, 70628512), (8, 44142820), (10, 35314256), (16, 22071410), (20, 17657128), (32, 11035705), (40, 8828564), (80, 4414282), (109, 3239840), (160, 2207141), (218, 1619920), (436, 809960), (545, 647968), (872, 404980), (1090, 323984), (1744, 202490), (2180, 161992), (3488, 101245), (4360, 80996), (8720, 40498), (17440, 20249)]