About the Number

142788880

142788879 ← → 142788881

2進数表記:1000100000101100100100010000

漢数字表記:一億四千二百七十八万八千八百八十

素因数分解:

2 4 × 5 1 × 13 1 × 251 1 × 547 1

素因数の和:824
約数の個数: 80
約数和(自身を含む): 359601984
約数和(自身を除く): 216813104

約数列:
[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 251, 260, 502, 520, 547, 1004, 1040, 1094, 1255, 2008, 2188, 2510, 2735, 3263, 4016, 4376, 5020, 5470, 6526, 7111, 8752, 10040, 10940, 13052, 14222, 16315, 20080, 21880, 26104, 28444, 32630, 35555, 43760, 52208, 56888, 65260, 71110, 113776, 130520, 137297, 142220, 261040, 274594, 284440, 549188, 568880, 686485, 1098376, 1372970, 1784861, 2196752, 2745940, 3569722, 5491880, 7139444, 8924305, 10983760, 14278888, 17848610, 28557776, 35697220, 71394440, 142788880]

約数ペア:
[(1, 142788880), (2, 71394440), (4, 35697220), (5, 28557776), (8, 17848610), (10, 14278888), (13, 10983760), (16, 8924305), (20, 7139444), (26, 5491880), (40, 3569722), (52, 2745940), (65, 2196752), (80, 1784861), (104, 1372970), (130, 1098376), (208, 686485), (251, 568880), (260, 549188), (502, 284440), (520, 274594), (547, 261040), (1004, 142220), (1040, 137297), (1094, 130520), (1255, 113776), (2008, 71110), (2188, 65260), (2510, 56888), (2735, 52208), (3263, 43760), (4016, 35555), (4376, 32630), (5020, 28444), (5470, 26104), (6526, 21880), (7111, 20080), (8752, 16315), (10040, 14222), (10940, 13052)]

このpageの処理時間: 0.008167743682861328 seconds