204865100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{16931}}^1$

素因数の和:16967

約数の個数: 54

約数和(自身を含む): 488674452

約数和(自身を除く): 283809352

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 12100, 16931, 33862, 67724, 84655, 169310, 186241, 338620, 372482, 423275, 744964, 846550, 931205, 1693100, 1862410, 2048651, 3724820, 4097302, 4656025, 8194604, 9312050, 10243255, 18624100, 20486510, 40973020, 51216275, 102432550, 204865100]

約数ペア:

[(1, 204865100), (2, 102432550), (4, 51216275), (5, 40973020), (10, 20486510), (11, 18624100), (20, 10243255), (22, 9312050), (25, 8194604), (44, 4656025), (50, 4097302), (55, 3724820), (100, 2048651), (110, 1862410), (121, 1693100), (220, 931205), (242, 846550), (275, 744964), (484, 423275), (550, 372482), (605, 338620), (1100, 186241), (1210, 169310), (2420, 84655), (3025, 67724), (6050, 33862), (12100, 16931)]