About the Number

138990288

138990287 ← → 138990289

2進数表記:1000010010001101001011010000

漢数字表記:一億三千八百九十九万二百八十八

素因数分解:

2 4 × 3 1 × 23 1 × 125897 1

素因数の和:125931
約数の個数: 40
約数和(自身を含む): 374672448
約数和(自身を除く): 235682160

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 125897, 251794, 377691, 503588, 755382, 1007176, 1510764, 2014352, 2895631, 3021528, 5791262, 6043056, 8686893, 11582524, 17373786, 23165048, 34747572, 46330096, 69495144, 138990288]

約数ペア:
[(1, 138990288), (2, 69495144), (3, 46330096), (4, 34747572), (6, 23165048), (8, 17373786), (12, 11582524), (16, 8686893), (23, 6043056), (24, 5791262), (46, 3021528), (48, 2895631), (69, 2014352), (92, 1510764), (138, 1007176), (184, 755382), (276, 503588), (368, 377691), (552, 251794), (1104, 125897)]

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