388261725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4289}}^1$

素因数の和:4390

約数の個数: 48

約数和(自身を含む): 689420160

約数和(自身を除く): 301158435

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 255, 355, 425, 1065, 1207, 1275, 1775, 3621, 4289, 5325, 6035, 12867, 18105, 21445, 30175, 64335, 72913, 90525, 107225, 218739, 304519, 321675, 364565, 913557, 1093695, 1522595, 1822825, 4567785, 5176823, 5468475, 7612975, 15530469, 22838925, 25884115, 77652345, 129420575, 388261725]

約数ペア:

[(1, 388261725), (3, 129420575), (5, 77652345), (15, 25884115), (17, 22838925), (25, 15530469), (51, 7612975), (71, 5468475), (75, 5176823), (85, 4567785), (213, 1822825), (255, 1522595), (355, 1093695), (425, 913557), (1065, 364565), (1207, 321675), (1275, 304519), (1775, 218739), (3621, 107225), (4289, 90525), (5325, 72913), (6035, 64335), (12867, 30175), (18105, 21445)]