401075675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 709287936

約数和(自身を除く): 308212261

約数列:

[1, 5, 7, 11, 13, 25, 31, 35, 47, 55, 65, 77, 91, 121, 143, 155, 175, 217, 235, 275, 325, 329, 341, 385, 403, 455, 517, 605, 611, 715, 775, 847, 1001, 1085, 1175, 1457, 1573, 1645, 1705, 1925, 2015, 2275, 2387, 2585, 2821, 3025, 3055, 3575, 3619, 3751, 4235, 4277, 4433, 5005, 5425, 5687, 6721, 7285, 7865, 8225, 8525, 10075, 10199, 11011, 11935, 12925, 14105, 15275, 16027, 18095, 18755, 18941, 21175, 21385, 22165, 25025, 26257, 28435, 31031, 33605, 36425, 39325, 39809, 47047, 48763, 50995, 55055, 59675, 70525, 73931, 80135, 90475, 93775, 94705, 106925, 110825, 112189, 131285, 132587, 142175, 155155, 168025, 176297, 199045, 208351, 235235, 243815, 254975, 275275, 341341, 369655, 400675, 473525, 517517, 560945, 656425, 662935, 775775, 881485, 995225, 1041755, 1176175, 1219075, 1234079, 1458457, 1706705, 1848275, 2291861, 2587585, 2804725, 3314675, 4407425, 5208775, 6170395, 7292285, 8533525, 11459305, 12937925, 16043027, 30851975, 36461425, 57296525, 80215135, 401075675]

約数ペア:

[(1, 401075675), (5, 80215135), (7, 57296525), (11, 36461425), (13, 30851975), (25, 16043027), (31, 12937925), (35, 11459305), (47, 8533525), (55, 7292285), (65, 6170395), (77, 5208775), (91, 4407425), (121, 3314675), (143, 2804725), (155, 2587585), (175, 2291861), (217, 1848275), (235, 1706705), (275, 1458457), (325, 1234079), (329, 1219075), (341, 1176175), (385, 1041755), (403, 995225), (455, 881485), (517, 775775), (605, 662935), (611, 656425), (715, 560945), (775, 517517), (847, 473525), (1001, 400675), (1085, 369655), (1175, 341341), (1457, 275275), (1573, 254975), (1645, 243815), (1705, 235235), (1925, 208351), (2015, 199045), (2275, 176297), (2387, 168025), (2585, 155155), (2821, 142175), (3025, 132587), (3055, 131285), (3575, 112189), (3619, 110825), (3751, 106925), (4235, 94705), (4277, 93775), (4433, 90475), (5005, 80135), (5425, 73931), (5687, 70525), (6721, 59675), (7285, 55055), (7865, 50995), (8225, 48763), (8525, 47047), (10075, 39809), (10199, 39325), (11011, 36425), (11935, 33605), (12925, 31031), (14105, 28435), (15275, 26257), (16027, 25025), (18095, 22165), (18755, 21385), (18941, 21175)]