About the Number

201090428

201090427 ← → 201090429

2進数表記:1011111111000110010101111100

漢数字表記:二億百九万四百二十八

素因数分解:

2 2 × 7 1 × 11 1 × 31 1 × 21061 1

素因数の和:21114
約数の個数: 48
約数和(自身を含む): 452917248
約数和(自身を除く): 251826820

約数列:
[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 4774, 9548, 21061, 42122, 84244, 147427, 231671, 294854, 463342, 589708, 652891, 926684, 1305782, 1621697, 2611564, 3243394, 4570237, 6486788, 7181801, 9140474, 14363602, 18280948, 28727204, 50272607, 100545214, 201090428]

約数ペア:
[(1, 201090428), (2, 100545214), (4, 50272607), (7, 28727204), (11, 18280948), (14, 14363602), (22, 9140474), (28, 7181801), (31, 6486788), (44, 4570237), (62, 3243394), (77, 2611564), (124, 1621697), (154, 1305782), (217, 926684), (308, 652891), (341, 589708), (434, 463342), (682, 294854), (868, 231671), (1364, 147427), (2387, 84244), (4774, 42122), (9548, 21061)]

このpageの処理時間: 0.005383968353271484 seconds