About the Number

131444990

131444989 ← → 131444991

2進数表記:111110101011011000011111110

漢数字表記:一億三千百四十四万四千九百九十

素因数分解:

2 1 × 5 1 × 89 1 × 113 1 × 1307 1

素因数の和:1516
約数の個数: 32
約数和(自身を含む): 241561440
約数和(自身を除く): 110116450

約数列:
[1, 2, 5, 10, 89, 113, 178, 226, 445, 565, 890, 1130, 1307, 2614, 6535, 10057, 13070, 20114, 50285, 100570, 116323, 147691, 232646, 295382, 581615, 738455, 1163230, 1476910, 13144499, 26288998, 65722495, 131444990]

約数ペア:
[(1, 131444990), (2, 65722495), (5, 26288998), (10, 13144499), (89, 1476910), (113, 1163230), (178, 738455), (226, 581615), (445, 295382), (565, 232646), (890, 147691), (1130, 116323), (1307, 100570), (2614, 50285), (6535, 20114), (10057, 13070)]

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