About the Number

138984720

138984719 ← → 138984721

2進数表記:1000010010001011110100010000

漢数字表記:一億三千八百九十八万四千七百二十

素因数分解:

2 4 × 3 1 × 5 1 × 7 1 × 82729 1

素因数の和:82752
約数の個数: 80
約数和(自身を含む): 492408960
約数和(自身を除く): 353424240

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 82729, 165458, 248187, 330916, 413645, 496374, 579103, 661832, 827290, 992748, 1158206, 1240935, 1323664, 1654580, 1737309, 1985496, 2316412, 2481870, 2895515, 3309160, 3474618, 3970992, 4632824, 4963740, 5791030, 6618320, 6949236, 8686545, 9265648, 9927480, 11582060, 13898472, 17373090, 19854960, 23164120, 27796944, 34746180, 46328240, 69492360, 138984720]

約数ペア:
[(1, 138984720), (2, 69492360), (3, 46328240), (4, 34746180), (5, 27796944), (6, 23164120), (7, 19854960), (8, 17373090), (10, 13898472), (12, 11582060), (14, 9927480), (15, 9265648), (16, 8686545), (20, 6949236), (21, 6618320), (24, 5791030), (28, 4963740), (30, 4632824), (35, 3970992), (40, 3474618), (42, 3309160), (48, 2895515), (56, 2481870), (60, 2316412), (70, 1985496), (80, 1737309), (84, 1654580), (105, 1323664), (112, 1240935), (120, 1158206), (140, 992748), (168, 827290), (210, 661832), (240, 579103), (280, 496374), (336, 413645), (420, 330916), (560, 248187), (840, 165458), (1680, 82729)]

このpageの処理時間: 0.02700638771057129 seconds