391665920

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4567}}^1$

素因数の和:4655

約数の個数: 72

約数和(自身を含む): 952373184

約数和(自身を除く): 560707264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 640, 670, 1072, 1280, 1340, 2144, 2680, 4288, 4567, 5360, 8576, 9134, 10720, 17152, 18268, 21440, 22835, 36536, 42880, 45670, 73072, 85760, 91340, 146144, 182680, 292288, 305989, 365360, 584576, 611978, 730720, 1169152, 1223956, 1461440, 1529945, 2447912, 2922880, 3059890, 4895824, 5845760, 6119780, 9791648, 12239560, 19583296, 24479120, 39166592, 48958240, 78333184, 97916480, 195832960, 391665920]

約数ペア:

[(1, 391665920), (2, 195832960), (4, 97916480), (5, 78333184), (8, 48958240), (10, 39166592), (16, 24479120), (20, 19583296), (32, 12239560), (40, 9791648), (64, 6119780), (67, 5845760), (80, 4895824), (128, 3059890), (134, 2922880), (160, 2447912), (256, 1529945), (268, 1461440), (320, 1223956), (335, 1169152), (536, 730720), (640, 611978), (670, 584576), (1072, 365360), (1280, 305989), (1340, 292288), (2144, 182680), (2680, 146144), (4288, 91340), (4567, 85760), (5360, 73072), (8576, 45670), (9134, 42880), (10720, 36536), (17152, 22835), (18268, 21440)]