About the Number

13728700

13728699 ← → 13728701

2進数表記:110100010111101110111100

漢数字表記:千三百七十二万八千七百

素因数分解:

2 2 × 5 2 × 23 1 × 47 1 × 127 1

素因数の和:211
約数の個数: 72
約数和(自身を含む): 31997952
約数和(自身を除く): 18269252

約数列:
[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 127, 188, 230, 235, 254, 460, 470, 508, 575, 635, 940, 1081, 1150, 1175, 1270, 2162, 2300, 2350, 2540, 2921, 3175, 4324, 4700, 5405, 5842, 5969, 6350, 10810, 11684, 11938, 12700, 14605, 21620, 23876, 27025, 29210, 29845, 54050, 58420, 59690, 73025, 108100, 119380, 137287, 146050, 149225, 274574, 292100, 298450, 549148, 596900, 686435, 1372870, 2745740, 3432175, 6864350, 13728700]

約数ペア:
[(1, 13728700), (2, 6864350), (4, 3432175), (5, 2745740), (10, 1372870), (20, 686435), (23, 596900), (25, 549148), (46, 298450), (47, 292100), (50, 274574), (92, 149225), (94, 146050), (100, 137287), (115, 119380), (127, 108100), (188, 73025), (230, 59690), (235, 58420), (254, 54050), (460, 29845), (470, 29210), (508, 27025), (575, 23876), (635, 21620), (940, 14605), (1081, 12700), (1150, 11938), (1175, 11684), (1270, 10810), (2162, 6350), (2300, 5969), (2350, 5842), (2540, 5405), (2921, 4700), (3175, 4324)]

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