About the Number

138949620

138949619 ← → 138949621

2進数表記:1000010010000011001111110100

漢数字表記:一億三千八百九十四万九千六百二十

素因数分解:

2 2 × 3 1 × 5 1 × 257 1 × 9011 1

素因数の和:9280
約数の個数: 48
約数和(自身を含む): 390616128
約数和(自身を除く): 251666508

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5140, 7710, 9011, 15420, 18022, 27033, 36044, 45055, 54066, 90110, 108132, 135165, 180220, 270330, 540660, 2315827, 4631654, 6947481, 9263308, 11579135, 13894962, 23158270, 27789924, 34737405, 46316540, 69474810, 138949620]

約数ペア:
[(1, 138949620), (2, 69474810), (3, 46316540), (4, 34737405), (5, 27789924), (6, 23158270), (10, 13894962), (12, 11579135), (15, 9263308), (20, 6947481), (30, 4631654), (60, 2315827), (257, 540660), (514, 270330), (771, 180220), (1028, 135165), (1285, 108132), (1542, 90110), (2570, 54066), (3084, 45055), (3855, 36044), (5140, 27033), (7710, 18022), (9011, 15420)]

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