About the Number

129921408

129921407 ← → 129921409

2進数表記:111101111100111000110000000

漢数字表記:一億二千九百九十二万千四百八

素因数分解:

2 7 × 3 5 × 4177 1

素因数の和:4206
約数の個数: 96
約数和(自身を含む): 387801960
約数和(自身を除く): 257880552

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 288, 324, 384, 432, 486, 576, 648, 864, 972, 1152, 1296, 1728, 1944, 2592, 3456, 3888, 4177, 5184, 7776, 8354, 10368, 12531, 15552, 16708, 25062, 31104, 33416, 37593, 50124, 66832, 75186, 100248, 112779, 133664, 150372, 200496, 225558, 267328, 300744, 338337, 400992, 451116, 534656, 601488, 676674, 801984, 902232, 1015011, 1202976, 1353348, 1603968, 1804464, 2030022, 2405952, 2706696, 3608928, 4060044, 4811904, 5413392, 7217856, 8120088, 10826784, 14435712, 16240176, 21653568, 32480352, 43307136, 64960704, 129921408]

約数ペア:
[(1, 129921408), (2, 64960704), (3, 43307136), (4, 32480352), (6, 21653568), (8, 16240176), (9, 14435712), (12, 10826784), (16, 8120088), (18, 7217856), (24, 5413392), (27, 4811904), (32, 4060044), (36, 3608928), (48, 2706696), (54, 2405952), (64, 2030022), (72, 1804464), (81, 1603968), (96, 1353348), (108, 1202976), (128, 1015011), (144, 902232), (162, 801984), (192, 676674), (216, 601488), (243, 534656), (288, 451116), (324, 400992), (384, 338337), (432, 300744), (486, 267328), (576, 225558), (648, 200496), (864, 150372), (972, 133664), (1152, 112779), (1296, 100248), (1728, 75186), (1944, 66832), (2592, 50124), (3456, 37593), (3888, 33416), (4177, 31104), (5184, 25062), (7776, 16708), (8354, 15552), (10368, 12531)]

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