About the Number

117828990

117828989 ← → 117828991

2進数表記:111000001011110110101111110

漢数字表記:一億千七百八十二万八千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 1309211 1

素因数の和:1309224
約数の個数: 24
約数和(自身を含む): 306355608
約数和(自身を除く): 188526618

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1309211, 2618422, 3927633, 6546055, 7855266, 11782899, 13092110, 19638165, 23565798, 39276330, 58914495, 117828990]

約数ペア:
[(1, 117828990), (2, 58914495), (3, 39276330), (5, 23565798), (6, 19638165), (9, 13092110), (10, 11782899), (15, 7855266), (18, 6546055), (30, 3927633), (45, 2618422), (90, 1309211)]

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