1938860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1259}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 3141460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1259, 1540, 2518, 5036, 6295, 8813, 12590, 13849, 17626, 25180, 27698, 35252, 44065, 55396, 69245, 88130, 96943, 138490, 176260, 193886, 276980, 387772, 484715, 969430, 1938860]

約数ペア:

[(1, 1938860), (2, 969430), (4, 484715), (5, 387772), (7, 276980), (10, 193886), (11, 176260), (14, 138490), (20, 96943), (22, 88130), (28, 69245), (35, 55396), (44, 44065), (55, 35252), (70, 27698), (77, 25180), (110, 17626), (140, 13849), (154, 12590), (220, 8813), (308, 6295), (385, 5036), (770, 2518), (1259, 1540)]