About the Number

131095890

131095889 ← → 131095891

2進数表記:111110100000101110101010010

漢数字表記:一億三千百九万五千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 571 1 × 2551 1

素因数の和:3135
約数の個数: 48
約数和(自身を含む): 341580096
約数和(自身を除く): 210484206

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 571, 1142, 1713, 2551, 2855, 3426, 5102, 5139, 5710, 7653, 8565, 10278, 12755, 15306, 17130, 22959, 25510, 25695, 38265, 45918, 51390, 76530, 114795, 229590, 1456621, 2913242, 4369863, 7283105, 8739726, 13109589, 14566210, 21849315, 26219178, 43698630, 65547945, 131095890]

約数ペア:
[(1, 131095890), (2, 65547945), (3, 43698630), (5, 26219178), (6, 21849315), (9, 14566210), (10, 13109589), (15, 8739726), (18, 7283105), (30, 4369863), (45, 2913242), (90, 1456621), (571, 229590), (1142, 114795), (1713, 76530), (2551, 51390), (2855, 45918), (3426, 38265), (5102, 25695), (5139, 25510), (5710, 22959), (7653, 17130), (8565, 15306), (10278, 12755)]

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