About the Number

238280920

238280919 ← → 238280921

2進数表記:1110001100111110000011011000

漢数字表記:二億三千八百二十八万九百二十

素因数分解:

2 3 × 5 1 × 23 1 × 259001 1

素因数の和:259035
約数の個数: 32
約数和(自身を含む): 559444320
約数和(自身を除く): 321163400

約数列:
[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 259001, 518002, 1036004, 1295005, 2072008, 2590010, 5180020, 5957023, 10360040, 11914046, 23828092, 29785115, 47656184, 59570230, 119140460, 238280920]

約数ペア:
[(1, 238280920), (2, 119140460), (4, 59570230), (5, 47656184), (8, 29785115), (10, 23828092), (20, 11914046), (23, 10360040), (40, 5957023), (46, 5180020), (92, 2590010), (115, 2072008), (184, 1295005), (230, 1036004), (460, 518002), (920, 259001)]

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