About the Number

300990

300989 ← → 300991

2進数表記:1001001011110111110

漢数字表記:三十万九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 79 1 × 127 1

素因数の和:216
約数の個数: 32
約数和(自身を含む): 737280
約数和(自身を除く): 436290

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 79, 127, 158, 237, 254, 381, 395, 474, 635, 762, 790, 1185, 1270, 1905, 2370, 3810, 10033, 20066, 30099, 50165, 60198, 100330, 150495, 300990]

約数ペア:
[(1, 300990), (2, 150495), (3, 100330), (5, 60198), (6, 50165), (10, 30099), (15, 20066), (30, 10033), (79, 3810), (127, 2370), (158, 1905), (237, 1270), (254, 1185), (381, 790), (395, 762), (474, 635)]

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