About the Number

2021880070

2021880069 ← → 2021880071

2進数表記:1111000100000110111000100000110

漢数字表記:二十億二千百八十八万七十

素因数分解:

2 1 × 5 1 × 7 1 × 211 1 × 367 1 × 373 1

素因数の和:965
約数の個数: 64
約数和(自身を含む): 4201629696
約数和(自身を除く): 2179749626

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 211, 367, 373, 422, 734, 746, 1055, 1477, 1835, 1865, 2110, 2569, 2611, 2954, 3670, 3730, 5138, 5222, 7385, 12845, 13055, 14770, 25690, 26110, 77437, 78703, 136891, 154874, 157406, 273782, 387185, 393515, 542059, 550921, 684455, 774370, 787030, 958237, 1084118, 1101842, 1368910, 1916474, 2710295, 2754605, 4791185, 5420590, 5509210, 9582370, 28884001, 57768002, 144420005, 202188007, 288840010, 404376014, 1010940035, 2021880070]

約数ペア:
[(1, 2021880070), (2, 1010940035), (5, 404376014), (7, 288840010), (10, 202188007), (14, 144420005), (35, 57768002), (70, 28884001), (211, 9582370), (367, 5509210), (373, 5420590), (422, 4791185), (734, 2754605), (746, 2710295), (1055, 1916474), (1477, 1368910), (1835, 1101842), (1865, 1084118), (2110, 958237), (2569, 787030), (2611, 774370), (2954, 684455), (3670, 550921), (3730, 542059), (5138, 393515), (5222, 387185), (7385, 273782), (12845, 157406), (13055, 154874), (14770, 136891), (25690, 78703), (26110, 77437)]

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