289861625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 396564480

約数和(自身を除く): 106702855

約数列:

[1, 5, 19, 25, 31, 95, 125, 127, 155, 475, 589, 635, 775, 961, 2375, 2413, 2945, 3175, 3875, 3937, 4805, 12065, 14725, 15875, 18259, 19685, 24025, 60325, 73625, 74803, 91295, 98425, 120125, 122047, 301625, 374015, 456475, 492125, 610235, 1870075, 2282375, 2318893, 3051175, 9350375, 11594465, 15255875, 57972325, 289861625]

約数ペア:

[(1, 289861625), (5, 57972325), (19, 15255875), (25, 11594465), (31, 9350375), (95, 3051175), (125, 2318893), (127, 2282375), (155, 1870075), (475, 610235), (589, 492125), (635, 456475), (775, 374015), (961, 301625), (2375, 122047), (2413, 120125), (2945, 98425), (3175, 91295), (3875, 74803), (3937, 73625), (4805, 60325), (12065, 24025), (14725, 19685), (15875, 18259)]