About the Number

121028688

121028687 ← → 121028689

2進数表記:111001101101100000001010000

漢数字表記:一億二千百二万八千六百八十八

素因数分解:

2 4 × 3 3 × 11 1 × 25469 1

素因数の和:25497
約数の個数: 80
約数和(自身を含む): 378993600
約数和(自身を除く): 257964912

約数列:
[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 132, 144, 176, 198, 216, 264, 297, 396, 432, 528, 594, 792, 1188, 1584, 2376, 4752, 25469, 50938, 76407, 101876, 152814, 203752, 229221, 280159, 305628, 407504, 458442, 560318, 611256, 687663, 840477, 916884, 1120636, 1222512, 1375326, 1680954, 1833768, 2241272, 2521431, 2750652, 3361908, 3667536, 4482544, 5042862, 5501304, 6723816, 7564293, 10085724, 11002608, 13447632, 15128586, 20171448, 30257172, 40342896, 60514344, 121028688]

約数ペア:
[(1, 121028688), (2, 60514344), (3, 40342896), (4, 30257172), (6, 20171448), (8, 15128586), (9, 13447632), (11, 11002608), (12, 10085724), (16, 7564293), (18, 6723816), (22, 5501304), (24, 5042862), (27, 4482544), (33, 3667536), (36, 3361908), (44, 2750652), (48, 2521431), (54, 2241272), (66, 1833768), (72, 1680954), (88, 1375326), (99, 1222512), (108, 1120636), (132, 916884), (144, 840477), (176, 687663), (198, 611256), (216, 560318), (264, 458442), (297, 407504), (396, 305628), (432, 280159), (528, 229221), (594, 203752), (792, 152814), (1188, 101876), (1584, 76407), (2376, 50938), (4752, 25469)]

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