About the Number

3982020

3982019 ← → 3982021

2進数表記:1111001100001011000100

漢数字表記:三百九十八万二千二十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 19 1 × 499 1

素因数の和:537
約数の個数: 96
約数和(自身を含む): 13440000
約数和(自身を除く): 9457980

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 499, 532, 570, 665, 798, 998, 1140, 1330, 1497, 1596, 1995, 1996, 2495, 2660, 2994, 3493, 3990, 4990, 5988, 6986, 7485, 7980, 9481, 9980, 10479, 13972, 14970, 17465, 18962, 20958, 28443, 29940, 34930, 37924, 41916, 47405, 52395, 56886, 66367, 69860, 94810, 104790, 113772, 132734, 142215, 189620, 199101, 209580, 265468, 284430, 331835, 398202, 568860, 663670, 796404, 995505, 1327340, 1991010, 3982020]

約数ペア:
[(1, 3982020), (2, 1991010), (3, 1327340), (4, 995505), (5, 796404), (6, 663670), (7, 568860), (10, 398202), (12, 331835), (14, 284430), (15, 265468), (19, 209580), (20, 199101), (21, 189620), (28, 142215), (30, 132734), (35, 113772), (38, 104790), (42, 94810), (57, 69860), (60, 66367), (70, 56886), (76, 52395), (84, 47405), (95, 41916), (105, 37924), (114, 34930), (133, 29940), (140, 28443), (190, 20958), (210, 18962), (228, 17465), (266, 14970), (285, 13972), (380, 10479), (399, 9980), (420, 9481), (499, 7980), (532, 7485), (570, 6986), (665, 5988), (798, 4990), (998, 3990), (1140, 3493), (1330, 2994), (1497, 2660), (1596, 2495), (1995, 1996)]

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