About the Number

201242790

201242789 ← → 201242791

2進数表記:1011111111101011100010100110

漢数字表記:二億百二十四万二千七百九十

素因数分解:

2 1 × 3 2 × 5 1 × 7 1 × 319433 1

素因数の和:319453
約数の個数: 48
約数和(自身を含む): 597980448
約数和(自身を除く): 396737658

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 319433, 638866, 958299, 1597165, 1916598, 2236031, 2874897, 3194330, 4472062, 4791495, 5749794, 6708093, 9582990, 11180155, 13416186, 14374485, 20124279, 22360310, 28748970, 33540465, 40248558, 67080930, 100621395, 201242790]

約数ペア:
[(1, 201242790), (2, 100621395), (3, 67080930), (5, 40248558), (6, 33540465), (7, 28748970), (9, 22360310), (10, 20124279), (14, 14374485), (15, 13416186), (18, 11180155), (21, 9582990), (30, 6708093), (35, 5749794), (42, 4791495), (45, 4472062), (63, 3194330), (70, 2874897), (90, 2236031), (105, 1916598), (126, 1597165), (210, 958299), (315, 638866), (630, 319433)]

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