About the Number

129485440

129485439 ← → 129485441

2進数表記:111101101111100101010000000

漢数字表記:一億二千九百四十八万五千四百四十

素因数分解:

2 7 × 5 1 × 7 2 × 4129 1

素因数の和:4162
約数の個数: 96
約数和(自身を含む): 360177300
約数和(自身を除く): 230691860

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4129, 4480, 6272, 7840, 8258, 15680, 16516, 20645, 28903, 31360, 33032, 41290, 57806, 66064, 82580, 115612, 132128, 144515, 165160, 202321, 231224, 264256, 289030, 330320, 404642, 462448, 528512, 578060, 660640, 809284, 924896, 1011605, 1156120, 1321280, 1618568, 1849792, 2023210, 2312240, 2642560, 3237136, 3699584, 4046420, 4624480, 6474272, 8092840, 9248960, 12948544, 16185680, 18497920, 25897088, 32371360, 64742720, 129485440]

約数ペア:
[(1, 129485440), (2, 64742720), (4, 32371360), (5, 25897088), (7, 18497920), (8, 16185680), (10, 12948544), (14, 9248960), (16, 8092840), (20, 6474272), (28, 4624480), (32, 4046420), (35, 3699584), (40, 3237136), (49, 2642560), (56, 2312240), (64, 2023210), (70, 1849792), (80, 1618568), (98, 1321280), (112, 1156120), (128, 1011605), (140, 924896), (160, 809284), (196, 660640), (224, 578060), (245, 528512), (280, 462448), (320, 404642), (392, 330320), (448, 289030), (490, 264256), (560, 231224), (640, 202321), (784, 165160), (896, 144515), (980, 132128), (1120, 115612), (1568, 82580), (1960, 66064), (2240, 57806), (3136, 41290), (3920, 33032), (4129, 31360), (4480, 28903), (6272, 20645), (7840, 16516), (8258, 15680)]

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