About the Number

129431390

129431389 ← → 129431391

2進数表記:111101101101111011101011110

漢数字表記:一億二千九百四十三万千三百九十

素因数分解:

2 1 × 5 1 × 11 1 × 1061 1 × 1109 1

素因数の和:2188
約数の個数: 32
約数和(自身を含む): 254625120
約数和(自身を除く): 125193730

約数列:
[1, 2, 5, 10, 11, 22, 55, 110, 1061, 1109, 2122, 2218, 5305, 5545, 10610, 11090, 11671, 12199, 23342, 24398, 58355, 60995, 116710, 121990, 1176649, 2353298, 5883245, 11766490, 12943139, 25886278, 64715695, 129431390]

約数ペア:
[(1, 129431390), (2, 64715695), (5, 25886278), (10, 12943139), (11, 11766490), (22, 5883245), (55, 2353298), (110, 1176649), (1061, 121990), (1109, 116710), (2122, 60995), (2218, 58355), (5305, 24398), (5545, 23342), (10610, 12199), (11090, 11671)]

このpageの処理時間: 0.011435985565185547 seconds