About the Number

389680970

389680969 ← → 389680971

2進数表記:10111001110100000111101001010

漢数字表記:三億八千九百六十八万九百七十

素因数分解:

2 1 × 5 1 × 7 1 × 17 1 × 327463 1

素因数の和:327494
約数の個数: 32
約数和(自身を含む): 848786688
約数和(自身を除く): 459105718

約数列:
[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 327463, 654926, 1637315, 2292241, 3274630, 4584482, 5566871, 11133742, 11461205, 22922410, 27834355, 38968097, 55668710, 77936194, 194840485, 389680970]

約数ペア:
[(1, 389680970), (2, 194840485), (5, 77936194), (7, 55668710), (10, 38968097), (14, 27834355), (17, 22922410), (34, 11461205), (35, 11133742), (70, 5566871), (85, 4584482), (119, 3274630), (170, 2292241), (238, 1637315), (595, 654926), (1190, 327463)]

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