About the Number

142720210

142720209 ← → 142720211

2進数表記:1000100000011011110011010010

漢数字表記:一億四千二百七十二万二百十

素因数分解:

2 1 × 5 1 × 19 1 × 389 1 × 1931 1

素因数の和:2346
約数の個数: 32
約数和(自身を含む): 271252800
約数和(自身を除く): 128532590

約数列:
[1, 2, 5, 10, 19, 38, 95, 190, 389, 778, 1931, 1945, 3862, 3890, 7391, 9655, 14782, 19310, 36689, 36955, 73378, 73910, 183445, 366890, 751159, 1502318, 3755795, 7511590, 14272021, 28544042, 71360105, 142720210]

約数ペア:
[(1, 142720210), (2, 71360105), (5, 28544042), (10, 14272021), (19, 7511590), (38, 3755795), (95, 1502318), (190, 751159), (389, 366890), (778, 183445), (1931, 73910), (1945, 73378), (3862, 36955), (3890, 36689), (7391, 19310), (9655, 14782)]

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