About the Number

91471940

91471939 ← → 91471941

2進数表記:101011100111100000001000100

漢数字表記:九千百四十七万千九百四十

素因数分解:

2 2 × 5 1 × 7 1 × 61 1 × 10711 1

素因数の和:10788
約数の個数: 48
約数和(自身を含む): 223152384
約数和(自身を除く): 131680444

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 10711, 21422, 42844, 53555, 74977, 107110, 149954, 214220, 299908, 374885, 653371, 749770, 1306742, 1499540, 2613484, 3266855, 4573597, 6533710, 9147194, 13067420, 18294388, 22867985, 45735970, 91471940]

約数ペア:
[(1, 91471940), (2, 45735970), (4, 22867985), (5, 18294388), (7, 13067420), (10, 9147194), (14, 6533710), (20, 4573597), (28, 3266855), (35, 2613484), (61, 1499540), (70, 1306742), (122, 749770), (140, 653371), (244, 374885), (305, 299908), (427, 214220), (610, 149954), (854, 107110), (1220, 74977), (1708, 53555), (2135, 42844), (4270, 21422), (8540, 10711)]

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