About the Number

138800256

138800255 ← → 138800257

2進数表記:1000010001011110110010000000

漢数字表記:一億三千八百八十万二百五十六

素因数分解:

2 7 × 3 1 × 7 1 × 51637 1

素因数の和:51661
約数の個数: 64
約数和(自身を含む): 421366080
約数和(自身を除く): 282565824

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 51637, 103274, 154911, 206548, 309822, 361459, 413096, 619644, 722918, 826192, 1084377, 1239288, 1445836, 1652384, 2168754, 2478576, 2891672, 3304768, 4337508, 4957152, 5783344, 6609536, 8675016, 9914304, 11566688, 17350032, 19828608, 23133376, 34700064, 46266752, 69400128, 138800256]

約数ペア:
[(1, 138800256), (2, 69400128), (3, 46266752), (4, 34700064), (6, 23133376), (7, 19828608), (8, 17350032), (12, 11566688), (14, 9914304), (16, 8675016), (21, 6609536), (24, 5783344), (28, 4957152), (32, 4337508), (42, 3304768), (48, 2891672), (56, 2478576), (64, 2168754), (84, 1652384), (96, 1445836), (112, 1239288), (128, 1084377), (168, 826192), (192, 722918), (224, 619644), (336, 413096), (384, 361459), (448, 309822), (672, 206548), (896, 154911), (1344, 103274), (2688, 51637)]

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