About the Number

127820028

127820027 ← → 127820029

2進数表記:111100111100110000011111100

漢数字表記:一億二千七百八十二万二十八

素因数分解:

2 2 × 3 1 × 7 2 × 181 1 × 1201 1

素因数の和:1403
約数の個数: 72
約数和(自身を含む): 349147344
約数和(自身を除く): 221327316

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 181, 196, 294, 362, 543, 588, 724, 1086, 1201, 1267, 2172, 2402, 2534, 3603, 3801, 4804, 5068, 7206, 7602, 8407, 8869, 14412, 15204, 16814, 17738, 25221, 26607, 33628, 35476, 50442, 53214, 58849, 100884, 106428, 117698, 176547, 217381, 235396, 353094, 434762, 652143, 706188, 869524, 1304286, 1521667, 2608572, 3043334, 4565001, 6086668, 9130002, 10651669, 18260004, 21303338, 31955007, 42606676, 63910014, 127820028]

約数ペア:
[(1, 127820028), (2, 63910014), (3, 42606676), (4, 31955007), (6, 21303338), (7, 18260004), (12, 10651669), (14, 9130002), (21, 6086668), (28, 4565001), (42, 3043334), (49, 2608572), (84, 1521667), (98, 1304286), (147, 869524), (181, 706188), (196, 652143), (294, 434762), (362, 353094), (543, 235396), (588, 217381), (724, 176547), (1086, 117698), (1201, 106428), (1267, 100884), (2172, 58849), (2402, 53214), (2534, 50442), (3603, 35476), (3801, 33628), (4804, 26607), (5068, 25221), (7206, 17738), (7602, 16814), (8407, 15204), (8869, 14412)]

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