About the Number

12087990

12087989 ← → 12087991

2進数表記:101110000111001010110110

漢数字表記:千二百八万七千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 19 1 × 7069 1

素因数の和:7101
約数の個数: 48
約数和(自身を含む): 33087600
約数和(自身を除く): 20999610

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 7069, 14138, 21207, 35345, 42414, 63621, 70690, 106035, 127242, 134311, 212070, 268622, 318105, 402933, 636210, 671555, 805866, 1208799, 1343110, 2014665, 2417598, 4029330, 6043995, 12087990]

約数ペア:
[(1, 12087990), (2, 6043995), (3, 4029330), (5, 2417598), (6, 2014665), (9, 1343110), (10, 1208799), (15, 805866), (18, 671555), (19, 636210), (30, 402933), (38, 318105), (45, 268622), (57, 212070), (90, 134311), (95, 127242), (114, 106035), (171, 70690), (190, 63621), (285, 42414), (342, 35345), (570, 21207), (855, 14138), (1710, 7069)]

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