About the Number

130985880

130985879 ← → 130985881

2進数表記:111110011101010111110011000

漢数字表記:一億三千九十八万五千八百八十

素因数分解:

2 3 × 3 1 × 5 1 × 1091549 1

素因数の和:1091563
約数の個数: 32
約数和(自身を含む): 392958000
約数和(自身を除く): 261972120

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1091549, 2183098, 3274647, 4366196, 5457745, 6549294, 8732392, 10915490, 13098588, 16373235, 21830980, 26197176, 32746470, 43661960, 65492940, 130985880]

約数ペア:
[(1, 130985880), (2, 65492940), (3, 43661960), (4, 32746470), (5, 26197176), (6, 21830980), (8, 16373235), (10, 13098588), (12, 10915490), (15, 8732392), (20, 6549294), (24, 5457745), (30, 4366196), (40, 3274647), (60, 2183098), (120, 1091549)]

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