About the Number

121351290

121351289 ← → 121351291

2進数表記:111001110111010110001111010

漢数字表記:一億二千百三十五万千二百九十

素因数分解:

2 1 × 3 1 × 5 1 × 19 1 × 212897 1

素因数の和:212926
約数の個数: 32
約数和(自身を含む): 306573120
約数和(自身を除く): 185221830

約数列:
[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 212897, 425794, 638691, 1064485, 1277382, 2128970, 3193455, 4045043, 6386910, 8090086, 12135129, 20225215, 24270258, 40450430, 60675645, 121351290]

約数ペア:
[(1, 121351290), (2, 60675645), (3, 40450430), (5, 24270258), (6, 20225215), (10, 12135129), (15, 8090086), (19, 6386910), (30, 4045043), (38, 3193455), (57, 2128970), (95, 1277382), (114, 1064485), (190, 638691), (285, 425794), (570, 212897)]

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