About the Number

12387970

12387969 ← → 12387971

2進数表記:101111010000011010000010

漢数字表記:千二百三十八万七千九百七十

素因数分解:

2 1 × 5 1 × 7 1 × 37 1 × 4783 1

素因数の和:4834
約数の個数: 32
約数和(自身を含む): 26178048
約数和(自身を除く): 13790078

約数列:
[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 4783, 9566, 23915, 33481, 47830, 66962, 167405, 176971, 334810, 353942, 884855, 1238797, 1769710, 2477594, 6193985, 12387970]

約数ペア:
[(1, 12387970), (2, 6193985), (5, 2477594), (7, 1769710), (10, 1238797), (14, 884855), (35, 353942), (37, 334810), (70, 176971), (74, 167405), (185, 66962), (259, 47830), (370, 33481), (518, 23915), (1295, 9566), (2590, 4783)]

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