85443475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 122179680

約数和(自身を除く): 36736205

約数列:

[1, 5, 13, 19, 25, 65, 95, 101, 137, 247, 325, 475, 505, 685, 1235, 1313, 1781, 1919, 2525, 2603, 3425, 6175, 6565, 8905, 9595, 13015, 13837, 24947, 32825, 33839, 44525, 47975, 65075, 69185, 124735, 169195, 179881, 262903, 345925, 623675, 845975, 899405, 1314515, 3417739, 4497025, 6572575, 17088695, 85443475]

約数ペア:

[(1, 85443475), (5, 17088695), (13, 6572575), (19, 4497025), (25, 3417739), (65, 1314515), (95, 899405), (101, 845975), (137, 623675), (247, 345925), (325, 262903), (475, 179881), (505, 169195), (685, 124735), (1235, 69185), (1313, 65075), (1781, 47975), (1919, 44525), (2525, 33839), (2603, 32825), (3425, 24947), (6175, 13837), (6565, 13015), (8905, 9595)]