About the Number

103072890

103072889 ← → 103072891

2進数表記:110001001001100010001111010

漢数字表記:一億三百七万二千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 23 1 × 149381 1

素因数の和:149414
約数の個数: 32
約数和(自身を含む): 258132096
約数和(自身を除く): 155059206

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 149381, 298762, 448143, 746905, 896286, 1493810, 2240715, 3435763, 4481430, 6871526, 10307289, 17178815, 20614578, 34357630, 51536445, 103072890]

約数ペア:
[(1, 103072890), (2, 51536445), (3, 34357630), (5, 20614578), (6, 17178815), (10, 10307289), (15, 6871526), (23, 4481430), (30, 3435763), (46, 2240715), (69, 1493810), (115, 896286), (138, 746905), (230, 448143), (345, 298762), (690, 149381)]

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