138939248

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 327360000

約数和(自身を除く): 188420752

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 109, 112, 133, 152, 218, 266, 304, 436, 532, 599, 763, 872, 1064, 1198, 1526, 1744, 2071, 2128, 2396, 3052, 4142, 4193, 4792, 6104, 8284, 8386, 9584, 11381, 12208, 14497, 16568, 16772, 22762, 28994, 33136, 33544, 45524, 57988, 65291, 67088, 79667, 91048, 115976, 130582, 159334, 182096, 231952, 261164, 318668, 457037, 522328, 637336, 914074, 1044656, 1240529, 1274672, 1828148, 2481058, 3656296, 4962116, 7312592, 8683703, 9924232, 17367406, 19848464, 34734812, 69469624, 138939248]

約数ペア:

[(1, 138939248), (2, 69469624), (4, 34734812), (7, 19848464), (8, 17367406), (14, 9924232), (16, 8683703), (19, 7312592), (28, 4962116), (38, 3656296), (56, 2481058), (76, 1828148), (109, 1274672), (112, 1240529), (133, 1044656), (152, 914074), (218, 637336), (266, 522328), (304, 457037), (436, 318668), (532, 261164), (599, 231952), (763, 182096), (872, 159334), (1064, 130582), (1198, 115976), (1526, 91048), (1744, 79667), (2071, 67088), (2128, 65291), (2396, 57988), (3052, 45524), (4142, 33544), (4193, 33136), (4792, 28994), (6104, 22762), (8284, 16772), (8386, 16568), (9584, 14497), (11381, 12208)]