289654870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 565958016

約数和(自身を除く): 276303146

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 101, 115, 185, 202, 230, 337, 370, 505, 674, 851, 1010, 1685, 1702, 2323, 3370, 3737, 4255, 4646, 7474, 7751, 8510, 11615, 12469, 15502, 18685, 23230, 24938, 34037, 37370, 38755, 62345, 68074, 77510, 85951, 124690, 170185, 171902, 286787, 340370, 429755, 573574, 782851, 859510, 1259369, 1433935, 1565702, 2518738, 2867870, 3914255, 6296845, 7828510, 12593690, 28965487, 57930974, 144827435, 289654870]

約数ペア:

[(1, 289654870), (2, 144827435), (5, 57930974), (10, 28965487), (23, 12593690), (37, 7828510), (46, 6296845), (74, 3914255), (101, 2867870), (115, 2518738), (185, 1565702), (202, 1433935), (230, 1259369), (337, 859510), (370, 782851), (505, 573574), (674, 429755), (851, 340370), (1010, 286787), (1685, 171902), (1702, 170185), (2323, 124690), (3370, 85951), (3737, 77510), (4255, 68074), (4646, 62345), (7474, 38755), (7751, 37370), (8510, 34037), (11615, 24938), (12469, 23230), (15502, 18685)]