About the Number

131039790

131039789 ← → 131039791

2進数表記:111110011111000001000101110

漢数字表記:一億三千百三万九千七百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 31 1 × 20129 1

素因数の和:20177
約数の個数: 64
約数和(自身を含む): 371036160
約数和(自身を除く): 239996370

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 20129, 40258, 60387, 100645, 120774, 140903, 201290, 281806, 301935, 422709, 603870, 623999, 704515, 845418, 1247998, 1409030, 1871997, 2113545, 3119995, 3743994, 4227090, 4367993, 6239990, 8735986, 9359985, 13103979, 18719970, 21839965, 26207958, 43679930, 65519895, 131039790]

約数ペア:
[(1, 131039790), (2, 65519895), (3, 43679930), (5, 26207958), (6, 21839965), (7, 18719970), (10, 13103979), (14, 9359985), (15, 8735986), (21, 6239990), (30, 4367993), (31, 4227090), (35, 3743994), (42, 3119995), (62, 2113545), (70, 1871997), (93, 1409030), (105, 1247998), (155, 845418), (186, 704515), (210, 623999), (217, 603870), (310, 422709), (434, 301935), (465, 281806), (651, 201290), (930, 140903), (1085, 120774), (1302, 100645), (2170, 60387), (3255, 40258), (6510, 20129)]

このpageの処理時間: 0.009748697280883789 seconds