About the Number

201728290

201728289 ← → 201728291

2進数表記:1100000001100010000100100010

漢数字表記:二億百七十二万八千二百九十

素因数分解:

2 1 × 5 1 × 17 1 × 67 1 × 89 1 × 199 1

素因数の和:379
約数の個数: 64
約数和(自身を含む): 396576000
約数和(自身を除く): 194847710

約数列:
[1, 2, 5, 10, 17, 34, 67, 85, 89, 134, 170, 178, 199, 335, 398, 445, 670, 890, 995, 1139, 1513, 1990, 2278, 3026, 3383, 5695, 5963, 6766, 7565, 11390, 11926, 13333, 15130, 16915, 17711, 26666, 29815, 33830, 35422, 59630, 66665, 88555, 101371, 133330, 177110, 202742, 226661, 301087, 453322, 506855, 602174, 1013710, 1133305, 1186637, 1505435, 2266610, 2373274, 3010870, 5933185, 11866370, 20172829, 40345658, 100864145, 201728290]

約数ペア:
[(1, 201728290), (2, 100864145), (5, 40345658), (10, 20172829), (17, 11866370), (34, 5933185), (67, 3010870), (85, 2373274), (89, 2266610), (134, 1505435), (170, 1186637), (178, 1133305), (199, 1013710), (335, 602174), (398, 506855), (445, 453322), (670, 301087), (890, 226661), (995, 202742), (1139, 177110), (1513, 133330), (1990, 101371), (2278, 88555), (3026, 66665), (3383, 59630), (5695, 35422), (5963, 33830), (6766, 29815), (7565, 26666), (11390, 17711), (11926, 16915), (13333, 15130)]

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