About the Number

129420460

129420459 ← → 129420461

2進数表記:111101101101100110010101100

漢数字表記:一億二千九百四十二万四百六十

素因数分解:

2 2 × 5 1 × 13 1 × 497771 1

素因数の和:497793
約数の個数: 24
約数和(自身を含む): 292689936
約数和(自身を除く): 163269476

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 497771, 995542, 1991084, 2488855, 4977710, 6471023, 9955420, 12942046, 25884092, 32355115, 64710230, 129420460]

約数ペア:
[(1, 129420460), (2, 64710230), (4, 32355115), (5, 25884092), (10, 12942046), (13, 9955420), (20, 6471023), (26, 4977710), (52, 2488855), (65, 1991084), (130, 995542), (260, 497771)]

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