About the Number

201489340

201489339 ← → 201489341

2進数表記:1100000000100111101110111100

漢数字表記:二億百四十八万九千三百四十

素因数分解:

2 2 × 5 1 × 13 1 × 774959 1

素因数の和:774981
約数の個数: 24
約数和(自身を含む): 455676480
約数和(自身を除く): 254187140

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 774959, 1549918, 3099836, 3874795, 7749590, 10074467, 15499180, 20148934, 40297868, 50372335, 100744670, 201489340]

約数ペア:
[(1, 201489340), (2, 100744670), (4, 50372335), (5, 40297868), (10, 20148934), (13, 15499180), (20, 10074467), (26, 7749590), (52, 3874795), (65, 3099836), (130, 1549918), (260, 774959)]

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