About the Number

129500490

129500489 ← → 129500491

2進数表記:111101110000000010101001010

漢数字表記:一億二千九百五十万四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 616669 1

素因数の和:616686
約数の個数: 32
約数和(自身を含む): 355201920
約数和(自身を除く): 225701430

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 616669, 1233338, 1850007, 3083345, 3700014, 4316683, 6166690, 8633366, 9250035, 12950049, 18500070, 21583415, 25900098, 43166830, 64750245, 129500490]

約数ペア:
[(1, 129500490), (2, 64750245), (3, 43166830), (5, 25900098), (6, 21583415), (7, 18500070), (10, 12950049), (14, 9250035), (15, 8633366), (21, 6166690), (30, 4316683), (35, 3700014), (42, 3083345), (70, 1850007), (105, 1233338), (210, 616669)]

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