About the Number

131309490

131309489 ← → 131309491

2進数表記:111110100111001111110110010

漢数字表記:一億三千百三十万九千四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 31 1 × 10861 1

素因数の和:10915
約数の個数: 64
約数和(自身を含む): 350364672
約数和(自身を除く): 219055182

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 10861, 12090, 21722, 32583, 54305, 65166, 108610, 141193, 162915, 282386, 325830, 336691, 423579, 673382, 705965, 847158, 1010073, 1411930, 1683455, 2020146, 2117895, 3366910, 4235790, 4376983, 5050365, 8753966, 10100730, 13130949, 21884915, 26261898, 43769830, 65654745, 131309490]

約数ペア:
[(1, 131309490), (2, 65654745), (3, 43769830), (5, 26261898), (6, 21884915), (10, 13130949), (13, 10100730), (15, 8753966), (26, 5050365), (30, 4376983), (31, 4235790), (39, 3366910), (62, 2117895), (65, 2020146), (78, 1683455), (93, 1411930), (130, 1010073), (155, 847158), (186, 705965), (195, 673382), (310, 423579), (390, 336691), (403, 325830), (465, 282386), (806, 162915), (930, 141193), (1209, 108610), (2015, 65166), (2418, 54305), (4030, 32583), (6045, 21722), (10861, 12090)]

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