About the Number

102742290

102742289 ← → 102742291

2進数表記:110000111111011100100010010

漢数字表記:一億二百七十四万二千二百九十

素因数分解:

2 1 × 3 3 × 5 1 × 7 1 × 54361 1

素因数の和:54384
約数の個数: 64
約数和(自身を含む): 313125120
約数和(自身を除く): 210382830

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 54361, 108722, 163083, 271805, 326166, 380527, 489249, 543610, 761054, 815415, 978498, 1141581, 1467747, 1630830, 1902635, 2283162, 2446245, 2935494, 3424743, 3805270, 4892490, 5707905, 6849486, 7338735, 10274229, 11415810, 14677470, 17123715, 20548458, 34247430, 51371145, 102742290]

約数ペア:
[(1, 102742290), (2, 51371145), (3, 34247430), (5, 20548458), (6, 17123715), (7, 14677470), (9, 11415810), (10, 10274229), (14, 7338735), (15, 6849486), (18, 5707905), (21, 4892490), (27, 3805270), (30, 3424743), (35, 2935494), (42, 2446245), (45, 2283162), (54, 1902635), (63, 1630830), (70, 1467747), (90, 1141581), (105, 978498), (126, 815415), (135, 761054), (189, 543610), (210, 489249), (270, 380527), (315, 326166), (378, 271805), (630, 163083), (945, 108722), (1890, 54361)]

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