About the Number

71483980

71483979 ← → 71483981

2進数表記:100010000101100001001001100

漢数字表記:七千百四十八万三千九百八十

素因数分解:

2 2 × 5 1 × 17 1 × 210247 1

素因数の和:210273
約数の個数: 24
約数和(自身を含む): 158947488
約数和(自身を除く): 87463508

約数列:
[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 210247, 420494, 840988, 1051235, 2102470, 3574199, 4204940, 7148398, 14296796, 17870995, 35741990, 71483980]

約数ペア:
[(1, 71483980), (2, 35741990), (4, 17870995), (5, 14296796), (10, 7148398), (17, 4204940), (20, 3574199), (34, 2102470), (68, 1051235), (85, 840988), (170, 420494), (340, 210247)]

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