About the Number

268996780

268996779 ← → 268996781

2進数表記:10000000010001001000010101100

漢数字表記:二億六千八百九十九万六千七百八十

素因数分解:

2 2 × 5 1 × 13 1 × 17 1 × 60859 1

素因数の和:60898
約数の個数: 48
約数和(自身を含む): 644142240
約数和(自身を除く): 375145460

約数列:
[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 60859, 121718, 243436, 304295, 608590, 791167, 1034603, 1217180, 1582334, 2069206, 3164668, 3955835, 4138412, 5173015, 7911670, 10346030, 13449839, 15823340, 20692060, 26899678, 53799356, 67249195, 134498390, 268996780]

約数ペア:
[(1, 268996780), (2, 134498390), (4, 67249195), (5, 53799356), (10, 26899678), (13, 20692060), (17, 15823340), (20, 13449839), (26, 10346030), (34, 7911670), (52, 5173015), (65, 4138412), (68, 3955835), (85, 3164668), (130, 2069206), (170, 1582334), (221, 1217180), (260, 1034603), (340, 791167), (442, 608590), (884, 304295), (1105, 243436), (2210, 121718), (4420, 60859)]

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