About the Number

200231780

200231779 ← → 200231781

2進数表記:1011111011110100101101100100

漢数字表記:二億二十三万千七百八十

素因数分解:

2 2 × 5 1 × 7 1 × 17 1 × 84131 1

素因数の和:84164
約数の個数: 48
約数和(自身を含む): 508830336
約数和(自身を除く): 308598556

約数列:
[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 84131, 168262, 336524, 420655, 588917, 841310, 1177834, 1430227, 1682620, 2355668, 2860454, 2944585, 5720908, 5889170, 7151135, 10011589, 11778340, 14302270, 20023178, 28604540, 40046356, 50057945, 100115890, 200231780]

約数ペア:
[(1, 200231780), (2, 100115890), (4, 50057945), (5, 40046356), (7, 28604540), (10, 20023178), (14, 14302270), (17, 11778340), (20, 10011589), (28, 7151135), (34, 5889170), (35, 5720908), (68, 2944585), (70, 2860454), (85, 2355668), (119, 1682620), (140, 1430227), (170, 1177834), (238, 841310), (340, 588917), (476, 420655), (595, 336524), (1190, 168262), (2380, 84131)]

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