About the Number

90421970

90421969 ← → 90421971

2進数表記:101011000111011101011010010

漢数字表記:九千四十二万千九百七十

素因数分解:

2 1 × 5 1 × 23 2 × 17093 1

素因数の和:17146
約数の個数: 24
約数和(自身を含む): 170153676
約数和(自身を除く): 79731706

約数列:
[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 5290, 17093, 34186, 85465, 170930, 393139, 786278, 1965695, 3931390, 9042197, 18084394, 45210985, 90421970]

約数ペア:
[(1, 90421970), (2, 45210985), (5, 18084394), (10, 9042197), (23, 3931390), (46, 1965695), (115, 786278), (230, 393139), (529, 170930), (1058, 85465), (2645, 34186), (5290, 17093)]

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