About the Number

31485020

31485019 ← → 31485021

2進数表記:1111000000110110001011100

漢数字表記:三千百四十八万五千二十

素因数分解:

2 2 × 5 1 × 7 1 × 17 1 × 13229 1

素因数の和:13262
約数の個数: 48
約数和(自身を含む): 80015040
約数和(自身を除く): 48530020

約数列:
[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 13229, 26458, 52916, 66145, 92603, 132290, 185206, 224893, 264580, 370412, 449786, 463015, 899572, 926030, 1124465, 1574251, 1852060, 2248930, 3148502, 4497860, 6297004, 7871255, 15742510, 31485020]

約数ペア:
[(1, 31485020), (2, 15742510), (4, 7871255), (5, 6297004), (7, 4497860), (10, 3148502), (14, 2248930), (17, 1852060), (20, 1574251), (28, 1124465), (34, 926030), (35, 899572), (68, 463015), (70, 449786), (85, 370412), (119, 264580), (140, 224893), (170, 185206), (238, 132290), (340, 92603), (476, 66145), (595, 52916), (1190, 26458), (2380, 13229)]

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