77532280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276901}}^1$

素因数の和:276919

約数の個数: 32

約数和(自身を含む): 199369440

約数和(自身を除く): 121837160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276901, 553802, 1107604, 1384505, 1938307, 2215208, 2769010, 3876614, 5538020, 7753228, 9691535, 11076040, 15506456, 19383070, 38766140, 77532280]

約数ペア:

[(1, 77532280), (2, 38766140), (4, 19383070), (5, 15506456), (7, 11076040), (8, 9691535), (10, 7753228), (14, 5538020), (20, 3876614), (28, 2769010), (35, 2215208), (40, 1938307), (56, 1384505), (70, 1107604), (140, 553802), (280, 276901)]