201744725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 312480000

約数和(自身を除く): 110735275

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 91, 175, 325, 355, 455, 497, 923, 1249, 1775, 2275, 2485, 4615, 6245, 6461, 8743, 12425, 16237, 23075, 31225, 32305, 43715, 81185, 88679, 113659, 161525, 218575, 405925, 443395, 568295, 620753, 1152827, 2216975, 2841475, 3103765, 5764135, 8069789, 15518825, 28820675, 40348945, 201744725]

約数ペア:

[(1, 201744725), (5, 40348945), (7, 28820675), (13, 15518825), (25, 8069789), (35, 5764135), (65, 3103765), (71, 2841475), (91, 2216975), (175, 1152827), (325, 620753), (355, 568295), (455, 443395), (497, 405925), (923, 218575), (1249, 161525), (1775, 113659), (2275, 88679), (2485, 81185), (4615, 43715), (6245, 32305), (6461, 31225), (8743, 23075), (12425, 16237)]