About the Number

28881240

28881239 ← → 28881241

2進数表記:1101110001011000101011000

漢数字表記:二千八百八十八万千二百四十

素因数分解:

2 3 × 3 1 × 5 1 × 240677 1

素因数の和:240691
約数の個数: 32
約数和(自身を含む): 86644080
約数和(自身を除く): 57762840

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 240677, 481354, 722031, 962708, 1203385, 1444062, 1925416, 2406770, 2888124, 3610155, 4813540, 5776248, 7220310, 9627080, 14440620, 28881240]

約数ペア:
[(1, 28881240), (2, 14440620), (3, 9627080), (4, 7220310), (5, 5776248), (6, 4813540), (8, 3610155), (10, 2888124), (12, 2406770), (15, 1925416), (20, 1444062), (24, 1203385), (30, 962708), (40, 722031), (60, 481354), (120, 240677)]

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