About the Number

2380490

2380489 ← → 2380491

2進数表記:1001000101001011001010

漢数字表記:二百三十八万四百九十

素因数分解:

2 1 × 5 1 × 7 1 × 31 1 × 1097 1

素因数の和:1142
約数の個数: 32
約数和(自身を含む): 5059584
約数和(自身を除く): 2679094

約数列:
[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 1097, 2170, 2194, 5485, 7679, 10970, 15358, 34007, 38395, 68014, 76790, 170035, 238049, 340070, 476098, 1190245, 2380490]

約数ペア:
[(1, 2380490), (2, 1190245), (5, 476098), (7, 340070), (10, 238049), (14, 170035), (31, 76790), (35, 68014), (62, 38395), (70, 34007), (155, 15358), (217, 10970), (310, 7679), (434, 5485), (1085, 2194), (1097, 2170)]

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