28941080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2521}}^1$

素因数の和:2580

約数の個数: 64

約数和(自身を含む): 76265280

約数和(自身を除く): 47324200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2521, 2870, 5042, 5740, 10084, 11480, 12605, 17647, 20168, 25210, 35294, 50420, 70588, 88235, 100840, 103361, 141176, 176470, 206722, 352940, 413444, 516805, 705880, 723527, 826888, 1033610, 1447054, 2067220, 2894108, 3617635, 4134440, 5788216, 7235270, 14470540, 28941080]

約数ペア:

[(1, 28941080), (2, 14470540), (4, 7235270), (5, 5788216), (7, 4134440), (8, 3617635), (10, 2894108), (14, 2067220), (20, 1447054), (28, 1033610), (35, 826888), (40, 723527), (41, 705880), (56, 516805), (70, 413444), (82, 352940), (140, 206722), (164, 176470), (205, 141176), (280, 103361), (287, 100840), (328, 88235), (410, 70588), (574, 50420), (820, 35294), (1148, 25210), (1435, 20168), (1640, 17647), (2296, 12605), (2521, 11480), (2870, 10084), (5042, 5740)]