About the Number

30931090

30931089 ← → 30931091

2進数表記:1110101111111100010010010

漢数字表記:三千九十三万千九十

素因数分解:

2 1 × 5 1 × 23 1 × 181 1 × 743 1

素因数の和:954
約数の個数: 32
約数和(自身を含む): 58496256
約数和(自身を除く): 27565166

約数列:
[1, 2, 5, 10, 23, 46, 115, 181, 230, 362, 743, 905, 1486, 1810, 3715, 4163, 7430, 8326, 17089, 20815, 34178, 41630, 85445, 134483, 170890, 268966, 672415, 1344830, 3093109, 6186218, 15465545, 30931090]

約数ペア:
[(1, 30931090), (2, 15465545), (5, 6186218), (10, 3093109), (23, 1344830), (46, 672415), (115, 268966), (181, 170890), (230, 134483), (362, 85445), (743, 41630), (905, 34178), (1486, 20815), (1810, 17089), (3715, 8326), (4163, 7430)]

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