209356620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{28837}}^1$

素因数の和:28871

約数の個数: 72

約数和(自身を含む): 644356272

約数和(自身を除く): 434999652

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 28837, 57674, 86511, 115348, 144185, 173022, 288370, 317207, 346044, 432555, 576740, 634414, 865110, 951621, 1268828, 1586035, 1730220, 1903242, 3172070, 3489277, 3806484, 4758105, 6344140, 6978554, 9516210, 10467831, 13957108, 17446385, 19032420, 20935662, 34892770, 41871324, 52339155, 69785540, 104678310, 209356620]

約数ペア:

[(1, 209356620), (2, 104678310), (3, 69785540), (4, 52339155), (5, 41871324), (6, 34892770), (10, 20935662), (11, 19032420), (12, 17446385), (15, 13957108), (20, 10467831), (22, 9516210), (30, 6978554), (33, 6344140), (44, 4758105), (55, 3806484), (60, 3489277), (66, 3172070), (110, 1903242), (121, 1730220), (132, 1586035), (165, 1268828), (220, 951621), (242, 865110), (330, 634414), (363, 576740), (484, 432555), (605, 346044), (660, 317207), (726, 288370), (1210, 173022), (1452, 144185), (1815, 115348), (2420, 86511), (3630, 57674), (7260, 28837)]