About the Number

105345988

105345987 ← → 105345989

2進数表記:110010001110111001111000100

漢数字表記:一億五百三十四万五千九百八十八

素因数分解:

2 2 × 11 3 × 47 1 × 421 1

素因数の和:505
約数の個数: 48
約数和(自身を含む): 207583488
約数和(自身を除く): 102237500

約数列:
[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 242, 421, 484, 517, 842, 1034, 1331, 1684, 2068, 2662, 4631, 5324, 5687, 9262, 11374, 18524, 19787, 22748, 39574, 50941, 62557, 79148, 101882, 125114, 203764, 217657, 250228, 435314, 560351, 870628, 1120702, 2241404, 2394227, 4788454, 9576908, 26336497, 52672994, 105345988]

約数ペア:
[(1, 105345988), (2, 52672994), (4, 26336497), (11, 9576908), (22, 4788454), (44, 2394227), (47, 2241404), (94, 1120702), (121, 870628), (188, 560351), (242, 435314), (421, 250228), (484, 217657), (517, 203764), (842, 125114), (1034, 101882), (1331, 79148), (1684, 62557), (2068, 50941), (2662, 39574), (4631, 22748), (5324, 19787), (5687, 18524), (9262, 11374)]

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