217254310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1237}}^1$

素因数の和:1457

約数の個数: 64

約数和(自身を含む): 484186752

約数和(自身を除く): 266932442

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 193, 386, 455, 910, 965, 1237, 1351, 1930, 2474, 2509, 2702, 5018, 6185, 6755, 8659, 12370, 12545, 13510, 16081, 17318, 17563, 25090, 32162, 35126, 43295, 80405, 86590, 87815, 112567, 160810, 175630, 225134, 238741, 477482, 562835, 1125670, 1193705, 1671187, 2387410, 3103633, 3342374, 6207266, 8355935, 15518165, 16711870, 21725431, 31036330, 43450862, 108627155, 217254310]

約数ペア:

[(1, 217254310), (2, 108627155), (5, 43450862), (7, 31036330), (10, 21725431), (13, 16711870), (14, 15518165), (26, 8355935), (35, 6207266), (65, 3342374), (70, 3103633), (91, 2387410), (130, 1671187), (182, 1193705), (193, 1125670), (386, 562835), (455, 477482), (910, 238741), (965, 225134), (1237, 175630), (1351, 160810), (1930, 112567), (2474, 87815), (2509, 86590), (2702, 80405), (5018, 43295), (6185, 35126), (6755, 32162), (8659, 25090), (12370, 17563), (12545, 17318), (13510, 16081)]