About the Number

128842770

128842769 ← → 128842771

2進数表記:111101011011111110000010010

漢数字表記:一億二千八百八十四万二千七百七十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 127 1 × 4831 1

素因数の和:4975
約数の個数: 64
約数和(自身を含む): 356253696
約数和(自身を除く): 227410926

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 210, 254, 381, 635, 762, 889, 1270, 1778, 1905, 2667, 3810, 4445, 4831, 5334, 8890, 9662, 13335, 14493, 24155, 26670, 28986, 33817, 48310, 67634, 72465, 101451, 144930, 169085, 202902, 338170, 507255, 613537, 1014510, 1227074, 1840611, 3067685, 3681222, 4294759, 6135370, 8589518, 9203055, 12884277, 18406110, 21473795, 25768554, 42947590, 64421385, 128842770]

約数ペア:
[(1, 128842770), (2, 64421385), (3, 42947590), (5, 25768554), (6, 21473795), (7, 18406110), (10, 12884277), (14, 9203055), (15, 8589518), (21, 6135370), (30, 4294759), (35, 3681222), (42, 3067685), (70, 1840611), (105, 1227074), (127, 1014510), (210, 613537), (254, 507255), (381, 338170), (635, 202902), (762, 169085), (889, 144930), (1270, 101451), (1778, 72465), (1905, 67634), (2667, 48310), (3810, 33817), (4445, 28986), (4831, 26670), (5334, 24155), (8890, 14493), (9662, 13335)]

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