204037900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{739}}^1$

素因数の和:1015

約数の個数: 72

約数和(自身を含む): 485593920

約数和(自身を除く): 281556020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 251, 275, 502, 550, 739, 1004, 1100, 1255, 1478, 2510, 2761, 2956, 3695, 5020, 5522, 6275, 7390, 8129, 11044, 12550, 13805, 14780, 16258, 18475, 25100, 27610, 32516, 36950, 40645, 55220, 69025, 73900, 81290, 138050, 162580, 185489, 203225, 276100, 370978, 406450, 741956, 812900, 927445, 1854890, 2040379, 3709780, 4080758, 4637225, 8161516, 9274450, 10201895, 18548900, 20403790, 40807580, 51009475, 102018950, 204037900]

約数ペア:

[(1, 204037900), (2, 102018950), (4, 51009475), (5, 40807580), (10, 20403790), (11, 18548900), (20, 10201895), (22, 9274450), (25, 8161516), (44, 4637225), (50, 4080758), (55, 3709780), (100, 2040379), (110, 1854890), (220, 927445), (251, 812900), (275, 741956), (502, 406450), (550, 370978), (739, 276100), (1004, 203225), (1100, 185489), (1255, 162580), (1478, 138050), (2510, 81290), (2761, 73900), (2956, 69025), (3695, 55220), (5020, 40645), (5522, 36950), (6275, 32516), (7390, 27610), (8129, 25100), (11044, 18475), (12550, 16258), (13805, 14780)]