About the Number

49001390

49001389 ← → 49001391

2進数表記:10111010111011001110101110

漢数字表記:四千九百万千三百九十

素因数分解:

2 1 × 5 1 × 31 2 × 5099 1

素因数の和:5168
約数の個数: 24
約数和(自身を含む): 91157400
約数和(自身を除く): 42156010

約数列:
[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 4805, 5099, 9610, 10198, 25495, 50990, 158069, 316138, 790345, 1580690, 4900139, 9800278, 24500695, 49001390]

約数ペア:
[(1, 49001390), (2, 24500695), (5, 9800278), (10, 4900139), (31, 1580690), (62, 790345), (155, 316138), (310, 158069), (961, 50990), (1922, 25495), (4805, 10198), (5099, 9610)]

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