About the Number

2280440

2280439 ← → 2280441

2進数表記:1000101100101111111000

漢数字表記:二百二十八万四百四十

素因数分解:

2 3 × 5 1 × 47 1 × 1213 1

素因数の和:1271
約数の個数: 32
約数和(自身を含む): 5244480
約数和(自身を除く): 2964040

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1213, 1880, 2426, 4852, 6065, 9704, 12130, 24260, 48520, 57011, 114022, 228044, 285055, 456088, 570110, 1140220, 2280440]

約数ペア:
[(1, 2280440), (2, 1140220), (4, 570110), (5, 456088), (8, 285055), (10, 228044), (20, 114022), (40, 57011), (47, 48520), (94, 24260), (188, 12130), (235, 9704), (376, 6065), (470, 4852), (940, 2426), (1213, 1880)]

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