905242384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1607}}^1$

素因数の和:1760

約数の個数: 80

約数和(自身を含む): 1973980800

約数和(自身を除く): 1068738416

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 109, 136, 152, 218, 272, 304, 323, 436, 646, 872, 1292, 1607, 1744, 1853, 2071, 2584, 3214, 3706, 4142, 5168, 6428, 7412, 8284, 12856, 14824, 16568, 25712, 27319, 29648, 30533, 33136, 35207, 54638, 61066, 70414, 109276, 122132, 140828, 175163, 218552, 244264, 281656, 350326, 437104, 488528, 519061, 563312, 700652, 1038122, 1401304, 2076244, 2802608, 2977771, 3328097, 4152488, 5955542, 6656194, 8304976, 11911084, 13312388, 23822168, 26624776, 47644336, 53249552, 56577649, 113155298, 226310596, 452621192, 905242384]

約数ペア:

[(1, 905242384), (2, 452621192), (4, 226310596), (8, 113155298), (16, 56577649), (17, 53249552), (19, 47644336), (34, 26624776), (38, 23822168), (68, 13312388), (76, 11911084), (109, 8304976), (136, 6656194), (152, 5955542), (218, 4152488), (272, 3328097), (304, 2977771), (323, 2802608), (436, 2076244), (646, 1401304), (872, 1038122), (1292, 700652), (1607, 563312), (1744, 519061), (1853, 488528), (2071, 437104), (2584, 350326), (3214, 281656), (3706, 244264), (4142, 218552), (5168, 175163), (6428, 140828), (7412, 122132), (8284, 109276), (12856, 70414), (14824, 61066), (16568, 54638), (25712, 35207), (27319, 33136), (29648, 30533)]