About the Number

1388970030

1388970029 ← → 1388970031

2進数表記:1010010110010100000000000101110

漢数字表記:十三億八千八百九十七万三十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 6614143 1

素因数の和:6614160
約数の個数: 32
約数和(自身を含む): 3809746944
約数和(自身を除く): 2420776914

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 6614143, 13228286, 19842429, 33070715, 39684858, 46299001, 66141430, 92598002, 99212145, 138897003, 198424290, 231495005, 277794006, 462990010, 694485015, 1388970030]

約数ペア:
[(1, 1388970030), (2, 694485015), (3, 462990010), (5, 277794006), (6, 231495005), (7, 198424290), (10, 138897003), (14, 99212145), (15, 92598002), (21, 66141430), (30, 46299001), (35, 39684858), (42, 33070715), (70, 19842429), (105, 13228286), (210, 6614143)]

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