About the Number

2800000080

2800000079 ← → 2800000081

2進数表記:10100110111001001001110001010000

漢数字表記:二十八億八十

素因数分解:

2 4 × 3 2 × 5 1 × 3888889 1

素因数の和:3888908
約数の個数: 60
約数和(自身を含む): 9403336020
約数和(自身を除く): 6603335940

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 3888889, 7777778, 11666667, 15555556, 19444445, 23333334, 31111112, 35000001, 38888890, 46666668, 58333335, 62222224, 70000002, 77777780, 93333336, 116666670, 140000004, 155555560, 175000005, 186666672, 233333340, 280000008, 311111120, 350000010, 466666680, 560000016, 700000020, 933333360, 1400000040, 2800000080]

約数ペア:
[(1, 2800000080), (2, 1400000040), (3, 933333360), (4, 700000020), (5, 560000016), (6, 466666680), (8, 350000010), (9, 311111120), (10, 280000008), (12, 233333340), (15, 186666672), (16, 175000005), (18, 155555560), (20, 140000004), (24, 116666670), (30, 93333336), (36, 77777780), (40, 70000002), (45, 62222224), (48, 58333335), (60, 46666668), (72, 38888890), (80, 35000001), (90, 31111112), (120, 23333334), (144, 19444445), (180, 15555556), (240, 11666667), (360, 7777778), (720, 3888889)]

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