About the Number

74007980

74007979 ← → 74007981

2進数表記:100011010010100010110101100

漢数字表記:七千四百万七千九百八十

素因数分解:

2 2 × 5 1 × 127 1 × 29137 1

素因数の和:29273
約数の個数: 24
約数和(自身を含む): 156645888
約数和(自身を除く): 82637908

約数列:
[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 29137, 58274, 116548, 145685, 291370, 582740, 3700399, 7400798, 14801596, 18501995, 37003990, 74007980]

約数ペア:
[(1, 74007980), (2, 37003990), (4, 18501995), (5, 14801596), (10, 7400798), (20, 3700399), (127, 582740), (254, 291370), (508, 145685), (635, 116548), (1270, 58274), (2540, 29137)]

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