199040440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{93887}}^1$

素因数の和:93951

約数の個数: 32

約数和(自身を含む): 456295680

約数和(自身を除く): 257255240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 93887, 187774, 375548, 469435, 751096, 938870, 1877740, 3755480, 4976011, 9952022, 19904044, 24880055, 39808088, 49760110, 99520220, 199040440]

約数ペア:

[(1, 199040440), (2, 99520220), (4, 49760110), (5, 39808088), (8, 24880055), (10, 19904044), (20, 9952022), (40, 4976011), (53, 3755480), (106, 1877740), (212, 938870), (265, 751096), (424, 469435), (530, 375548), (1060, 187774), (2120, 93887)]