278084408

素因数分解:

$2^3\times 7^2\times {\mathrm{479}}^1\times {\mathrm{1481}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 608212800

約数和(自身を除く): 330128392

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 479, 958, 1481, 1916, 2962, 3353, 3832, 5924, 6706, 10367, 11848, 13412, 20734, 23471, 26824, 41468, 46942, 72569, 82936, 93884, 145138, 187768, 290276, 580552, 709399, 1418798, 2837596, 4965793, 5675192, 9931586, 19863172, 34760551, 39726344, 69521102, 139042204, 278084408]

約数ペア:

[(1, 278084408), (2, 139042204), (4, 69521102), (7, 39726344), (8, 34760551), (14, 19863172), (28, 9931586), (49, 5675192), (56, 4965793), (98, 2837596), (196, 1418798), (392, 709399), (479, 580552), (958, 290276), (1481, 187768), (1916, 145138), (2962, 93884), (3353, 82936), (3832, 72569), (5924, 46942), (6706, 41468), (10367, 26824), (11848, 23471), (13412, 20734)]