About the Number

42181090

42181089 ← → 42181091

2進数表記:10100000111010000111100010

漢数字表記:四千二百十八万千九十

素因数分解:

2 1 × 5 1 × 7 1 × 47 1 × 12821 1

素因数の和:12882
約数の個数: 32
約数和(自身を含む): 88625664
約数和(自身を除く): 46444574

約数列:
[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 12821, 25642, 64105, 89747, 128210, 179494, 448735, 602587, 897470, 1205174, 3012935, 4218109, 6025870, 8436218, 21090545, 42181090]

約数ペア:
[(1, 42181090), (2, 21090545), (5, 8436218), (7, 6025870), (10, 4218109), (14, 3012935), (35, 1205174), (47, 897470), (70, 602587), (94, 448735), (235, 179494), (329, 128210), (470, 89747), (658, 64105), (1645, 25642), (3290, 12821)]

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