220327910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{28211}}^1$

素因数の和:28300

約数の個数: 32

約数和(自身を含む): 438753024

約数和(自身を除く): 218425114

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 28211, 56422, 141055, 282110, 310321, 620642, 1551605, 2002981, 3103210, 4005962, 10014905, 20029810, 22032791, 44065582, 110163955, 220327910]

約数ペア:

[(1, 220327910), (2, 110163955), (5, 44065582), (10, 22032791), (11, 20029810), (22, 10014905), (55, 4005962), (71, 3103210), (110, 2002981), (142, 1551605), (355, 620642), (710, 310321), (781, 282110), (1562, 141055), (3905, 56422), (7810, 28211)]