2745925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 4499712

約数和(自身を除く): 1753787

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 71, 85, 91, 119, 175, 221, 325, 355, 425, 455, 497, 595, 923, 1105, 1207, 1547, 1775, 2275, 2485, 2975, 4615, 5525, 6035, 6461, 7735, 8449, 12425, 15691, 23075, 30175, 32305, 38675, 42245, 78455, 109837, 161525, 211225, 392275, 549185, 2745925]

約数ペア:

[(1, 2745925), (5, 549185), (7, 392275), (13, 211225), (17, 161525), (25, 109837), (35, 78455), (65, 42245), (71, 38675), (85, 32305), (91, 30175), (119, 23075), (175, 15691), (221, 12425), (325, 8449), (355, 7735), (425, 6461), (455, 6035), (497, 5525), (595, 4615), (923, 2975), (1105, 2485), (1207, 2275), (1547, 1775)]