About the Number

129304490

129304489 ← → 129304491

2進数表記:111101101010000011110101010

漢数字表記:一億二千九百三十万四千四百九十

素因数分解:

2 1 × 5 1 × 7 1 × 71 1 × 26017 1

素因数の和:26102
約数の個数: 32
約数和(自身を含む): 269754624
約数和(自身を除く): 140450134

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 26017, 52034, 130085, 182119, 260170, 364238, 910595, 1821190, 1847207, 3694414, 9236035, 12930449, 18472070, 25860898, 64652245, 129304490]

約数ペア:
[(1, 129304490), (2, 64652245), (5, 25860898), (7, 18472070), (10, 12930449), (14, 9236035), (35, 3694414), (70, 1847207), (71, 1821190), (142, 910595), (355, 364238), (497, 260170), (710, 182119), (994, 130085), (2485, 52034), (4970, 26017)]

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