219218120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{45293}}^1$

素因数の和:45326

約数の個数: 48

約数和(自身を含む): 542169180

約数和(自身を除く): 322951060

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 45293, 90586, 181172, 226465, 362344, 452930, 498223, 905860, 996446, 1811720, 1992892, 2491115, 3985784, 4982230, 5480453, 9964460, 10960906, 19928920, 21921812, 27402265, 43843624, 54804530, 109609060, 219218120]

約数ペア:

[(1, 219218120), (2, 109609060), (4, 54804530), (5, 43843624), (8, 27402265), (10, 21921812), (11, 19928920), (20, 10960906), (22, 9964460), (40, 5480453), (44, 4982230), (55, 3985784), (88, 2491115), (110, 1992892), (121, 1811720), (220, 996446), (242, 905860), (440, 498223), (484, 452930), (605, 362344), (968, 226465), (1210, 181172), (2420, 90586), (4840, 45293)]