About the Number

138408768

138408767 ← → 138408769

2進数表記:1000001111111111001101000000

漢数字表記:一億三千八百四十万八千七百六十八

素因数分解:

2 6 × 3 2 × 19 1 × 12647 1

素因数の和:12684
約数の個数: 84
約数和(自身を含む): 417636960
約数和(自身を除く): 279228192

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 144, 152, 171, 192, 228, 288, 304, 342, 456, 576, 608, 684, 912, 1216, 1368, 1824, 2736, 3648, 5472, 10944, 12647, 25294, 37941, 50588, 75882, 101176, 113823, 151764, 202352, 227646, 240293, 303528, 404704, 455292, 480586, 607056, 720879, 809408, 910584, 961172, 1214112, 1441758, 1821168, 1922344, 2162637, 2428224, 2883516, 3642336, 3844688, 4325274, 5767032, 7284672, 7689376, 8650548, 11534064, 15378752, 17301096, 23068128, 34602192, 46136256, 69204384, 138408768]

約数ペア:
[(1, 138408768), (2, 69204384), (3, 46136256), (4, 34602192), (6, 23068128), (8, 17301096), (9, 15378752), (12, 11534064), (16, 8650548), (18, 7689376), (19, 7284672), (24, 5767032), (32, 4325274), (36, 3844688), (38, 3642336), (48, 2883516), (57, 2428224), (64, 2162637), (72, 1922344), (76, 1821168), (96, 1441758), (114, 1214112), (144, 961172), (152, 910584), (171, 809408), (192, 720879), (228, 607056), (288, 480586), (304, 455292), (342, 404704), (456, 303528), (576, 240293), (608, 227646), (684, 202352), (912, 151764), (1216, 113823), (1368, 101176), (1824, 75882), (2736, 50588), (3648, 37941), (5472, 25294), (10944, 12647)]

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