404889208

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 799948800

約数和(自身を除く): 395059592

約数列:

[1, 2, 4, 8, 47, 61, 94, 122, 127, 139, 188, 244, 254, 278, 376, 488, 508, 556, 1016, 1112, 2867, 5734, 5969, 6533, 7747, 8479, 11468, 11938, 13066, 15494, 16958, 17653, 22936, 23876, 26132, 30988, 33916, 35306, 47752, 52264, 61976, 67832, 70612, 141224, 364109, 398513, 728218, 797026, 829691, 1076833, 1456436, 1594052, 1659382, 2153666, 2912872, 3188104, 3318764, 4307332, 6637528, 8614664, 50611151, 101222302, 202444604, 404889208]

約数ペア:

[(1, 404889208), (2, 202444604), (4, 101222302), (8, 50611151), (47, 8614664), (61, 6637528), (94, 4307332), (122, 3318764), (127, 3188104), (139, 2912872), (188, 2153666), (244, 1659382), (254, 1594052), (278, 1456436), (376, 1076833), (488, 829691), (508, 797026), (556, 728218), (1016, 398513), (1112, 364109), (2867, 141224), (5734, 70612), (5969, 67832), (6533, 61976), (7747, 52264), (8479, 47752), (11468, 35306), (11938, 33916), (13066, 30988), (15494, 26132), (16958, 23876), (17653, 22936)]