405798910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{2221}}^1$

素因数の和:2401

約数の個数: 48

約数和(自身を含む): 808559136

約数和(自身を除く): 402760226

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 151, 242, 302, 605, 755, 1210, 1510, 1661, 2221, 3322, 4442, 8305, 11105, 16610, 18271, 22210, 24431, 36542, 48862, 91355, 122155, 182710, 244310, 268741, 335371, 537482, 670742, 1343705, 1676855, 2687410, 3353710, 3689081, 7378162, 18445405, 36890810, 40579891, 81159782, 202899455, 405798910]

約数ペア:

[(1, 405798910), (2, 202899455), (5, 81159782), (10, 40579891), (11, 36890810), (22, 18445405), (55, 7378162), (110, 3689081), (121, 3353710), (151, 2687410), (242, 1676855), (302, 1343705), (605, 670742), (755, 537482), (1210, 335371), (1510, 268741), (1661, 244310), (2221, 182710), (3322, 122155), (4442, 91355), (8305, 48862), (11105, 36542), (16610, 24431), (18271, 22210)]