28143220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4903}}^1$

素因数の和:4960

約数の個数: 48

約数和(自身を含む): 69205248

約数和(自身を除く): 41062028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 4903, 5740, 9806, 19612, 24515, 34321, 49030, 68642, 98060, 137284, 171605, 201023, 343210, 402046, 686420, 804092, 1005115, 1407161, 2010230, 2814322, 4020460, 5628644, 7035805, 14071610, 28143220]

約数ペア:

[(1, 28143220), (2, 14071610), (4, 7035805), (5, 5628644), (7, 4020460), (10, 2814322), (14, 2010230), (20, 1407161), (28, 1005115), (35, 804092), (41, 686420), (70, 402046), (82, 343210), (140, 201023), (164, 171605), (205, 137284), (287, 98060), (410, 68642), (574, 49030), (820, 34321), (1148, 24515), (1435, 19612), (2870, 9806), (4903, 5740)]