2889520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1933

約数の個数: 40

約数和(自身を含む): 7075440

約数和(自身を除く): 4185920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1901, 3802, 7604, 9505, 15208, 19010, 30416, 36119, 38020, 72238, 76040, 144476, 152080, 180595, 288952, 361190, 577904, 722380, 1444760, 2889520]

約数ペア:

[(1, 2889520), (2, 1444760), (4, 722380), (5, 577904), (8, 361190), (10, 288952), (16, 180595), (19, 152080), (20, 144476), (38, 76040), (40, 72238), (76, 38020), (80, 36119), (95, 30416), (152, 19010), (190, 15208), (304, 9505), (380, 7604), (760, 3802), (1520, 1901)]