251992520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37277}}^1$

素因数の和:37314

約数の個数: 48

約数和(自身を含む): 613968660

約数和(自身を除く): 361976140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 37277, 74554, 149108, 186385, 298216, 372770, 484601, 745540, 969202, 1491080, 1938404, 2423005, 3876808, 4846010, 6299813, 9692020, 12599626, 19384040, 25199252, 31499065, 50398504, 62998130, 125996260, 251992520]

約数ペア:

[(1, 251992520), (2, 125996260), (4, 62998130), (5, 50398504), (8, 31499065), (10, 25199252), (13, 19384040), (20, 12599626), (26, 9692020), (40, 6299813), (52, 4846010), (65, 3876808), (104, 2423005), (130, 1938404), (169, 1491080), (260, 969202), (338, 745540), (520, 484601), (676, 372770), (845, 298216), (1352, 186385), (1690, 149108), (3380, 74554), (6760, 37277)]