About the Number

80906970

80906969 ← → 80906971

2進数表記:100110100101000101011011010

漢数字表記:八千九十万六千九百七十

素因数分解:

2 1 × 3 1 × 5 1 × 1291 1 × 2089 1

素因数の和:3390
約数の個数: 32
約数和(自身を含む): 194420160
約数和(自身を除く): 113513190

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 1291, 2089, 2582, 3873, 4178, 6267, 6455, 7746, 10445, 12534, 12910, 19365, 20890, 31335, 38730, 62670, 2696899, 5393798, 8090697, 13484495, 16181394, 26968990, 40453485, 80906970]

約数ペア:
[(1, 80906970), (2, 40453485), (3, 26968990), (5, 16181394), (6, 13484495), (10, 8090697), (15, 5393798), (30, 2696899), (1291, 62670), (2089, 38730), (2582, 31335), (3873, 20890), (4178, 19365), (6267, 12910), (6455, 12534), (7746, 10445)]

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