399476064

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 192

約数和(自身を含む): 1259919360

約数和(自身を除く): 860443296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 19, 24, 26, 32, 34, 38, 39, 48, 51, 52, 57, 68, 76, 78, 96, 102, 104, 114, 136, 152, 156, 204, 208, 221, 228, 247, 272, 304, 312, 323, 408, 416, 442, 456, 494, 544, 608, 624, 646, 663, 741, 816, 884, 912, 969, 988, 991, 1248, 1292, 1326, 1482, 1632, 1768, 1824, 1938, 1976, 1982, 2584, 2652, 2964, 2973, 3536, 3876, 3952, 3964, 4199, 5168, 5304, 5928, 5946, 7072, 7752, 7904, 7928, 8398, 10336, 10608, 11856, 11892, 12597, 12883, 15504, 15856, 16796, 16847, 18829, 21216, 23712, 23784, 25194, 25766, 31008, 31712, 33592, 33694, 37658, 38649, 47568, 50388, 50541, 51532, 56487, 67184, 67388, 75316, 77298, 95136, 100776, 101082, 103064, 112974, 134368, 134776, 150632, 154596, 201552, 202164, 206128, 219011, 225948, 244777, 269552, 301264, 309192, 320093, 403104, 404328, 412256, 438022, 451896, 489554, 539104, 602528, 618384, 640186, 657033, 734331, 808656, 876044, 903792, 960279, 979108, 1236768, 1280372, 1314066, 1468662, 1617312, 1752088, 1807584, 1920558, 1958216, 2560744, 2628132, 2937324, 3504176, 3841116, 3916432, 4161209, 5121488, 5256264, 5874648, 7008352, 7682232, 7832864, 8322418, 10242976, 10512528, 11749296, 12483627, 15364464, 16644836, 21025056, 23498592, 24967254, 30728928, 33289672, 49934508, 66579344, 99869016, 133158688, 199738032, 399476064]

約数ペア:

[(1, 399476064), (2, 199738032), (3, 133158688), (4, 99869016), (6, 66579344), (8, 49934508), (12, 33289672), (13, 30728928), (16, 24967254), (17, 23498592), (19, 21025056), (24, 16644836), (26, 15364464), (32, 12483627), (34, 11749296), (38, 10512528), (39, 10242976), (48, 8322418), (51, 7832864), (52, 7682232), (57, 7008352), (68, 5874648), (76, 5256264), (78, 5121488), (96, 4161209), (102, 3916432), (104, 3841116), (114, 3504176), (136, 2937324), (152, 2628132), (156, 2560744), (204, 1958216), (208, 1920558), (221, 1807584), (228, 1752088), (247, 1617312), (272, 1468662), (304, 1314066), (312, 1280372), (323, 1236768), (408, 979108), (416, 960279), (442, 903792), (456, 876044), (494, 808656), (544, 734331), (608, 657033), (624, 640186), (646, 618384), (663, 602528), (741, 539104), (816, 489554), (884, 451896), (912, 438022), (969, 412256), (988, 404328), (991, 403104), (1248, 320093), (1292, 309192), (1326, 301264), (1482, 269552), (1632, 244777), (1768, 225948), (1824, 219011), (1938, 206128), (1976, 202164), (1982, 201552), (2584, 154596), (2652, 150632), (2964, 134776), (2973, 134368), (3536, 112974), (3876, 103064), (3952, 101082), (3964, 100776), (4199, 95136), (5168, 77298), (5304, 75316), (5928, 67388), (5946, 67184), (7072, 56487), (7752, 51532), (7904, 50541), (7928, 50388), (8398, 47568), (10336, 38649), (10608, 37658), (11856, 33694), (11892, 33592), (12597, 31712), (12883, 31008), (15504, 25766), (15856, 25194), (16796, 23784), (16847, 23712), (18829, 21216)]