About the Number

138931890

138931889 ← → 138931891

2進数表記:1000010001111110111010110010

漢数字表記:一億三千八百九十三万千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 139 1 × 33317 1

素因数の和:33466
約数の個数: 32
約数和(自身を含む): 335845440
約数和(自身を除く): 196913550

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 33317, 66634, 99951, 166585, 199902, 333170, 499755, 999510, 4631063, 9262126, 13893189, 23155315, 27786378, 46310630, 69465945, 138931890]

約数ペア:
[(1, 138931890), (2, 69465945), (3, 46310630), (5, 27786378), (6, 23155315), (10, 13893189), (15, 9262126), (30, 4631063), (139, 999510), (278, 499755), (417, 333170), (695, 199902), (834, 166585), (1390, 99951), (2085, 66634), (4170, 33317)]

このpageの処理時間: 0.008374691009521484 seconds