About the Number

13951980

13951979 ← → 13951981

2進数表記:110101001110001111101100

漢数字表記:千三百九十五万千九百八十

素因数分解:

2 2 × 3 3 × 5 1 × 7 1 × 3691 1

素因数の和:3716
約数の個数: 96
約数和(自身を含む): 49620480
約数和(自身を除く): 35668500

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3691, 3780, 7382, 11073, 14764, 18455, 22146, 25837, 33219, 36910, 44292, 51674, 55365, 66438, 73820, 77511, 99657, 103348, 110730, 129185, 132876, 155022, 166095, 199314, 221460, 232533, 258370, 310044, 332190, 387555, 398628, 465066, 498285, 516740, 664380, 697599, 775110, 930132, 996570, 1162665, 1395198, 1550220, 1993140, 2325330, 2790396, 3487995, 4650660, 6975990, 13951980]

約数ペア:
[(1, 13951980), (2, 6975990), (3, 4650660), (4, 3487995), (5, 2790396), (6, 2325330), (7, 1993140), (9, 1550220), (10, 1395198), (12, 1162665), (14, 996570), (15, 930132), (18, 775110), (20, 697599), (21, 664380), (27, 516740), (28, 498285), (30, 465066), (35, 398628), (36, 387555), (42, 332190), (45, 310044), (54, 258370), (60, 232533), (63, 221460), (70, 199314), (84, 166095), (90, 155022), (105, 132876), (108, 129185), (126, 110730), (135, 103348), (140, 99657), (180, 77511), (189, 73820), (210, 66438), (252, 55365), (270, 51674), (315, 44292), (378, 36910), (420, 33219), (540, 25837), (630, 22146), (756, 18455), (945, 14764), (1260, 11073), (1890, 7382), (3691, 3780)]

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