About the Number

130782990

130782989 ← → 130782991

2進数表記:111110010111001011100001110

漢数字表記:一億三千七十八万二千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 335341 1

素因数の和:335364
約数の個数: 32
約数和(自身を含む): 338024736
約数和(自身を除く): 207241746

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 335341, 670682, 1006023, 1676705, 2012046, 3353410, 4359433, 5030115, 8718866, 10060230, 13078299, 21797165, 26156598, 43594330, 65391495, 130782990]

約数ペア:
[(1, 130782990), (2, 65391495), (3, 43594330), (5, 26156598), (6, 21797165), (10, 13078299), (13, 10060230), (15, 8718866), (26, 5030115), (30, 4359433), (39, 3353410), (65, 2012046), (78, 1676705), (130, 1006023), (195, 670682), (390, 335341)]

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