About the Number

105718990

105718989 ← → 105718991

2進数表記:110010011010010010011001110

漢数字表記:一億五百七十一万八千九百九十

素因数分解:

2 1 × 5 1 × 13 1 × 31 1 × 37 1 × 709 1

素因数の和:797
約数の個数: 64
約数和(自身を含む): 217566720
約数和(自身を除く): 111847730

約数列:
[1, 2, 5, 10, 13, 26, 31, 37, 62, 65, 74, 130, 155, 185, 310, 370, 403, 481, 709, 806, 962, 1147, 1418, 2015, 2294, 2405, 3545, 4030, 4810, 5735, 7090, 9217, 11470, 14911, 18434, 21979, 26233, 29822, 43958, 46085, 52466, 74555, 92170, 109895, 131165, 149110, 219790, 262330, 285727, 341029, 571454, 682058, 813223, 1428635, 1626446, 1705145, 2857270, 3410290, 4066115, 8132230, 10571899, 21143798, 52859495, 105718990]

約数ペア:
[(1, 105718990), (2, 52859495), (5, 21143798), (10, 10571899), (13, 8132230), (26, 4066115), (31, 3410290), (37, 2857270), (62, 1705145), (65, 1626446), (74, 1428635), (130, 813223), (155, 682058), (185, 571454), (310, 341029), (370, 285727), (403, 262330), (481, 219790), (709, 149110), (806, 131165), (962, 109895), (1147, 92170), (1418, 74555), (2015, 52466), (2294, 46085), (2405, 43958), (3545, 29822), (4030, 26233), (4810, 21979), (5735, 18434), (7090, 14911), (9217, 11470)]

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