About the Number

138991392

138991391 ← → 138991393

2進数表記:1000010010001101011100100000

漢数字表記:一億三千八百九十九万千三百九十二

素因数分解:

2 5 × 3 2 × 23 1 × 20983 1

素因数の和:21022
約数の個数: 72
約数和(自身を含む): 412461504
約数和(自身を除く): 273470112

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3312, 6624, 20983, 41966, 62949, 83932, 125898, 167864, 188847, 251796, 335728, 377694, 482609, 503592, 671456, 755388, 965218, 1007184, 1447827, 1510776, 1930436, 2014368, 2895654, 3021552, 3860872, 4343481, 5791308, 6043104, 7721744, 8686962, 11582616, 15443488, 17373924, 23165232, 34747848, 46330464, 69495696, 138991392]

約数ペア:
[(1, 138991392), (2, 69495696), (3, 46330464), (4, 34747848), (6, 23165232), (8, 17373924), (9, 15443488), (12, 11582616), (16, 8686962), (18, 7721744), (23, 6043104), (24, 5791308), (32, 4343481), (36, 3860872), (46, 3021552), (48, 2895654), (69, 2014368), (72, 1930436), (92, 1510776), (96, 1447827), (138, 1007184), (144, 965218), (184, 755388), (207, 671456), (276, 503592), (288, 482609), (368, 377694), (414, 335728), (552, 251796), (736, 188847), (828, 167864), (1104, 125898), (1656, 83932), (2208, 62949), (3312, 41966), (6624, 20983)]

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