187715668

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^2\times {\mathrm{379}}^1$

素因数の和:442

約数の個数: 72

約数和(自身を含む): 405384000

約数和(自身を除く): 217668332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 361, 379, 532, 686, 722, 758, 931, 1372, 1444, 1516, 1862, 2527, 2653, 3724, 5054, 5306, 6517, 7201, 10108, 10612, 13034, 14402, 17689, 18571, 26068, 28804, 35378, 37142, 50407, 70756, 74284, 100814, 123823, 129997, 136819, 201628, 247646, 259994, 273638, 352849, 495292, 519988, 547276, 705698, 957733, 1411396, 1915466, 2469943, 3830932, 4939886, 6704131, 9879772, 13408262, 26816524, 46928917, 93857834, 187715668]

約数ペア:

[(1, 187715668), (2, 93857834), (4, 46928917), (7, 26816524), (14, 13408262), (19, 9879772), (28, 6704131), (38, 4939886), (49, 3830932), (76, 2469943), (98, 1915466), (133, 1411396), (196, 957733), (266, 705698), (343, 547276), (361, 519988), (379, 495292), (532, 352849), (686, 273638), (722, 259994), (758, 247646), (931, 201628), (1372, 136819), (1444, 129997), (1516, 123823), (1862, 100814), (2527, 74284), (2653, 70756), (3724, 50407), (5054, 37142), (5306, 35378), (6517, 28804), (7201, 26068), (10108, 18571), (10612, 17689), (13034, 14402)]