About the Number

191130

191129 ← → 191131

2進数表記:101110101010011010

漢数字表記:十九万千百三十

素因数分解:

2 1 × 3 1 × 5 1 × 23 1 × 277 1

素因数の和:310
約数の個数: 32
約数和(自身を含む): 480384
約数和(自身を除く): 289254

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 277, 345, 554, 690, 831, 1385, 1662, 2770, 4155, 6371, 8310, 12742, 19113, 31855, 38226, 63710, 95565, 191130]

約数ペア:
[(1, 191130), (2, 95565), (3, 63710), (5, 38226), (6, 31855), (10, 19113), (15, 12742), (23, 8310), (30, 6371), (46, 4155), (69, 2770), (115, 1662), (138, 1385), (230, 831), (277, 690), (345, 554)]

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