About the Number

138942900

138942899 ← → 138942901

2進数表記:1000010010000001100110110100

漢数字表記:一億三千八百九十四万二千九百

素因数分解:

2 2 × 3 2 × 5 2 × 263 1 × 587 1

素因数の和:870
約数の個数: 108
約数和(自身を含む): 437909472
約数和(自身を除く): 298966572

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 263, 300, 450, 526, 587, 789, 900, 1052, 1174, 1315, 1578, 1761, 2348, 2367, 2630, 2935, 3156, 3522, 3945, 4734, 5260, 5283, 5870, 6575, 7044, 7890, 8805, 9468, 10566, 11740, 11835, 13150, 14675, 15780, 17610, 19725, 21132, 23670, 26300, 26415, 29350, 35220, 39450, 44025, 47340, 52830, 58700, 59175, 78900, 88050, 105660, 118350, 132075, 154381, 176100, 236700, 264150, 308762, 463143, 528300, 617524, 771905, 926286, 1389429, 1543810, 1852572, 2315715, 2778858, 3087620, 3859525, 4631430, 5557716, 6947145, 7719050, 9262860, 11578575, 13894290, 15438100, 23157150, 27788580, 34735725, 46314300, 69471450, 138942900]

約数ペア:
[(1, 138942900), (2, 69471450), (3, 46314300), (4, 34735725), (5, 27788580), (6, 23157150), (9, 15438100), (10, 13894290), (12, 11578575), (15, 9262860), (18, 7719050), (20, 6947145), (25, 5557716), (30, 4631430), (36, 3859525), (45, 3087620), (50, 2778858), (60, 2315715), (75, 1852572), (90, 1543810), (100, 1389429), (150, 926286), (180, 771905), (225, 617524), (263, 528300), (300, 463143), (450, 308762), (526, 264150), (587, 236700), (789, 176100), (900, 154381), (1052, 132075), (1174, 118350), (1315, 105660), (1578, 88050), (1761, 78900), (2348, 59175), (2367, 58700), (2630, 52830), (2935, 47340), (3156, 44025), (3522, 39450), (3945, 35220), (4734, 29350), (5260, 26415), (5283, 26300), (5870, 23670), (6575, 21132), (7044, 19725), (7890, 17610), (8805, 15780), (9468, 14675), (10566, 13150), (11740, 11835)]

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