215686960940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7649}}^1\times {\mathrm{128173}}^1$

素因数の和:135842

約数の個数: 48

約数和(自身を含む): 494187674400

約数和(自身を除く): 278500713460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 7649, 15298, 30596, 38245, 76490, 84139, 128173, 152980, 168278, 256346, 336556, 420695, 512692, 640865, 841390, 1281730, 1409903, 1682780, 2563460, 2819806, 5639612, 7049515, 14099030, 28198060, 980395277, 1960790554, 3921581108, 4901976385, 9803952770, 10784348047, 19607905540, 21568696094, 43137392188, 53921740235, 107843480470, 215686960940]

約数ペア:

[(1, 215686960940), (2, 107843480470), (4, 53921740235), (5, 43137392188), (10, 21568696094), (11, 19607905540), (20, 10784348047), (22, 9803952770), (44, 4901976385), (55, 3921581108), (110, 1960790554), (220, 980395277), (7649, 28198060), (15298, 14099030), (30596, 7049515), (38245, 5639612), (76490, 2819806), (84139, 2563460), (128173, 1682780), (152980, 1409903), (168278, 1281730), (256346, 841390), (336556, 640865), (420695, 512692)]