201089900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{16619}}^1$

素因数の和:16655

約数の個数: 54

約数和(自身を含む): 479669820

約数和(自身を除く): 278579920

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, 16619, 33238, 66476, 83095, 166190, 182809, 332380, 365618, 415475, 731236, 830950, 914045, 1661900, 1828090, 2010899, 3656180, 4021798, 4570225, 8043596, 9140450, 10054495, 18280900, 20108990, 40217980, 50272475, 100544950, 201089900]

約数ペア:

[(1, 201089900), (2, 100544950), (4, 50272475), (5, 40217980), (10, 20108990), (11, 18280900), (20, 10054495), (22, 9140450), (25, 8043596), (44, 4570225), (50, 4021798), (55, 3656180), (100, 2010899), (110, 1828090), (121, 1661900), (220, 914045), (242, 830950), (275, 731236), (484, 415475), (550, 365618), (605, 332380), (1100, 182809), (1210, 166190), (2420, 83095), (3025, 66476), (6050, 33238), (12100, 16619)]