About the Number

212872010

212872009 ← → 212872011

2進数表記:1100101100000010101101001010

漢数字表記:二億千二百八十七万二千十

素因数分解:

2 1 × 5 1 × 13 1 × 19 1 × 86183 1

素因数の和:86222
約数の個数: 32
約数和(自身を含む): 434367360
約数和(自身を除く): 221495350

約数列:
[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 86183, 172366, 430915, 861830, 1120379, 1637477, 2240758, 3274954, 5601895, 8187385, 11203790, 16374770, 21287201, 42574402, 106436005, 212872010]

約数ペア:
[(1, 212872010), (2, 106436005), (5, 42574402), (10, 21287201), (13, 16374770), (19, 11203790), (26, 8187385), (38, 5601895), (65, 3274954), (95, 2240758), (130, 1637477), (190, 1120379), (247, 861830), (494, 430915), (1235, 172366), (2470, 86183)]

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