138499240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{314771}}^1$

素因数の和:314793

約数の個数: 32

約数和(自身を含む): 339953760

約数和(自身を除く): 201454520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 314771, 629542, 1259084, 1573855, 2518168, 3147710, 3462481, 6295420, 6924962, 12590840, 13849924, 17312405, 27699848, 34624810, 69249620, 138499240]

約数ペア:

[(1, 138499240), (2, 69249620), (4, 34624810), (5, 27699848), (8, 17312405), (10, 13849924), (11, 12590840), (20, 6924962), (22, 6295420), (40, 3462481), (44, 3147710), (55, 2518168), (88, 1573855), (110, 1259084), (220, 629542), (440, 314771)]