About the Number

201966990

201966989 ← → 201966991

2進数表記:1100000010011100010110001110

漢数字表記:二億百九十六万六千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 47 1 × 143239 1

素因数の和:143296
約数の個数: 32
約数和(自身を含む): 495037440
約数和(自身を除く): 293070450

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 143239, 286478, 429717, 716195, 859434, 1432390, 2148585, 4297170, 6732233, 13464466, 20196699, 33661165, 40393398, 67322330, 100983495, 201966990]

約数ペア:
[(1, 201966990), (2, 100983495), (3, 67322330), (5, 40393398), (6, 33661165), (10, 20196699), (15, 13464466), (30, 6732233), (47, 4297170), (94, 2148585), (141, 1432390), (235, 859434), (282, 716195), (470, 429717), (705, 286478), (1410, 143239)]

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