About the Number

201123790

201123789 ← → 201123791

2進数表記:1011111111001110011111001110

漢数字表記:二億百十二万三千七百九十

素因数分解:

2 1 × 5 1 × 7 1 × 251 1 × 11447 1

素因数の和:11712
約数の個数: 32
約数和(自身を含む): 415425024
約数和(自身を除く): 214301234

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1757, 2510, 3514, 8785, 11447, 17570, 22894, 57235, 80129, 114470, 160258, 400645, 801290, 2873197, 5746394, 14365985, 20112379, 28731970, 40224758, 100561895, 201123790]

約数ペア:
[(1, 201123790), (2, 100561895), (5, 40224758), (7, 28731970), (10, 20112379), (14, 14365985), (35, 5746394), (70, 2873197), (251, 801290), (502, 400645), (1255, 160258), (1757, 114470), (2510, 80129), (3514, 57235), (8785, 22894), (11447, 17570)]

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