81449500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 198132480

約数和(自身を除く): 116682980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 125, 220, 236, 250, 251, 275, 295, 500, 502, 550, 590, 649, 1004, 1100, 1180, 1255, 1298, 1375, 1475, 2510, 2596, 2750, 2761, 2950, 3245, 5020, 5500, 5522, 5900, 6275, 6490, 7375, 11044, 12550, 12980, 13805, 14750, 14809, 16225, 25100, 27610, 29500, 29618, 31375, 32450, 55220, 59236, 62750, 64900, 69025, 74045, 81125, 125500, 138050, 148090, 162250, 162899, 276100, 296180, 324500, 325798, 345125, 370225, 651596, 690250, 740450, 814495, 1380500, 1480900, 1628990, 1851125, 3257980, 3702250, 4072475, 7404500, 8144950, 16289900, 20362375, 40724750, 81449500]

約数ペア:

[(1, 81449500), (2, 40724750), (4, 20362375), (5, 16289900), (10, 8144950), (11, 7404500), (20, 4072475), (22, 3702250), (25, 3257980), (44, 1851125), (50, 1628990), (55, 1480900), (59, 1380500), (100, 814495), (110, 740450), (118, 690250), (125, 651596), (220, 370225), (236, 345125), (250, 325798), (251, 324500), (275, 296180), (295, 276100), (500, 162899), (502, 162250), (550, 148090), (590, 138050), (649, 125500), (1004, 81125), (1100, 74045), (1180, 69025), (1255, 64900), (1298, 62750), (1375, 59236), (1475, 55220), (2510, 32450), (2596, 31375), (2750, 29618), (2761, 29500), (2950, 27610), (3245, 25100), (5020, 16225), (5500, 14809), (5522, 14750), (5900, 13805), (6275, 12980), (6490, 12550), (7375, 11044)]