18104900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 43538880

約数和(自身を除く): 25433980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 109, 110, 151, 218, 220, 275, 302, 436, 545, 550, 604, 755, 1090, 1100, 1199, 1510, 1661, 2180, 2398, 2725, 3020, 3322, 3775, 4796, 5450, 5995, 6644, 7550, 8305, 10900, 11990, 15100, 16459, 16610, 23980, 29975, 32918, 33220, 41525, 59950, 65836, 82295, 83050, 119900, 164590, 166100, 181049, 329180, 362098, 411475, 724196, 822950, 905245, 1645900, 1810490, 3620980, 4526225, 9052450, 18104900]

約数ペア:

[(1, 18104900), (2, 9052450), (4, 4526225), (5, 3620980), (10, 1810490), (11, 1645900), (20, 905245), (22, 822950), (25, 724196), (44, 411475), (50, 362098), (55, 329180), (100, 181049), (109, 166100), (110, 164590), (151, 119900), (218, 83050), (220, 82295), (275, 65836), (302, 59950), (436, 41525), (545, 33220), (550, 32918), (604, 29975), (755, 23980), (1090, 16610), (1100, 16459), (1199, 15100), (1510, 11990), (1661, 10900), (2180, 8305), (2398, 7550), (2725, 6644), (3020, 5995), (3322, 5450), (3775, 4796)]