About the Number

138913290

138913289 ← → 138913291

2進数表記:1000010001111010011000001010

漢数字表記:一億三千八百九十一万三千二百九十

素因数分解:

2 1 × 3 2 × 5 1 × 17 1 × 90793 1

素因数の和:90823
約数の個数: 48
約数和(自身を含む): 382424328
約数和(自身を除く): 243511038

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 90793, 181586, 272379, 453965, 544758, 817137, 907930, 1361895, 1543481, 1634274, 2723790, 3086962, 4085685, 4630443, 7717405, 8171370, 9260886, 13891329, 15434810, 23152215, 27782658, 46304430, 69456645, 138913290]

約数ペア:
[(1, 138913290), (2, 69456645), (3, 46304430), (5, 27782658), (6, 23152215), (9, 15434810), (10, 13891329), (15, 9260886), (17, 8171370), (18, 7717405), (30, 4630443), (34, 4085685), (45, 3086962), (51, 2723790), (85, 1634274), (90, 1543481), (102, 1361895), (153, 907930), (170, 817137), (255, 544758), (306, 453965), (510, 272379), (765, 181586), (1530, 90793)]

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