181912280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3793}}^1$

素因数の和:3924

約数の個数: 64

約数和(自身を含む): 450727200

約数和(自身を除く): 268814920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 2180, 2398, 3793, 4360, 4796, 5995, 7586, 9592, 11990, 15172, 18965, 23980, 30344, 37930, 41723, 47960, 75860, 83446, 151720, 166892, 208615, 333784, 413437, 417230, 826874, 834460, 1653748, 1668920, 2067185, 3307496, 4134370, 4547807, 8268740, 9095614, 16537480, 18191228, 22739035, 36382456, 45478070, 90956140, 181912280]

約数ペア:

[(1, 181912280), (2, 90956140), (4, 45478070), (5, 36382456), (8, 22739035), (10, 18191228), (11, 16537480), (20, 9095614), (22, 8268740), (40, 4547807), (44, 4134370), (55, 3307496), (88, 2067185), (109, 1668920), (110, 1653748), (218, 834460), (220, 826874), (436, 417230), (440, 413437), (545, 333784), (872, 208615), (1090, 166892), (1199, 151720), (2180, 83446), (2398, 75860), (3793, 47960), (4360, 41723), (4796, 37930), (5995, 30344), (7586, 23980), (9592, 18965), (11990, 15172)]