355979120

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{12973}}^1$

素因数の和:13007

約数の個数: 80

約数和(自身を含む): 965265600

約数和(自身を除く): 609286480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 12973, 13720, 25946, 27440, 51892, 64865, 90811, 103784, 129730, 181622, 207568, 259460, 363244, 454055, 518920, 635677, 726488, 908110, 1037840, 1271354, 1452976, 1816220, 2542708, 3178385, 3632440, 4449739, 5085416, 6356770, 7264880, 8899478, 10170832, 12713540, 17798956, 22248695, 25427080, 35597912, 44497390, 50854160, 71195824, 88994780, 177989560, 355979120]

約数ペア:

[(1, 355979120), (2, 177989560), (4, 88994780), (5, 71195824), (7, 50854160), (8, 44497390), (10, 35597912), (14, 25427080), (16, 22248695), (20, 17798956), (28, 12713540), (35, 10170832), (40, 8899478), (49, 7264880), (56, 6356770), (70, 5085416), (80, 4449739), (98, 3632440), (112, 3178385), (140, 2542708), (196, 1816220), (245, 1452976), (280, 1271354), (343, 1037840), (392, 908110), (490, 726488), (560, 635677), (686, 518920), (784, 454055), (980, 363244), (1372, 259460), (1715, 207568), (1960, 181622), (2744, 129730), (3430, 103784), (3920, 90811), (5488, 64865), (6860, 51892), (12973, 27440), (13720, 25946)]