2005430145

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 3715891200

約数和(自身を除く): 1710461055

約数列:

[1, 3, 5, 15, 19, 23, 31, 57, 69, 71, 93, 95, 115, 139, 155, 213, 285, 345, 355, 417, 437, 465, 589, 695, 713, 1065, 1311, 1349, 1633, 1767, 2085, 2139, 2185, 2201, 2641, 2945, 3197, 3565, 4047, 4309, 4899, 6555, 6603, 6745, 7923, 8165, 8835, 9591, 9869, 10695, 11005, 12927, 13205, 13547, 15985, 20235, 21545, 24495, 29607, 31027, 33015, 39615, 40641, 41819, 47955, 49345, 50623, 60743, 64635, 67735, 81871, 93081, 99107, 125457, 148035, 151869, 155135, 182229, 187511, 203205, 209095, 226987, 245613, 253115, 297321, 303715, 305939, 409355, 465405, 495535, 562533, 627285, 680961, 759345, 911145, 917817, 937555, 961837, 1134935, 1228065, 1486605, 1529695, 1883033, 2812665, 2885511, 3404805, 4312753, 4589085, 4809185, 5649099, 5812841, 7036597, 9415165, 12938259, 14427555, 17438523, 21109791, 21563765, 28245495, 29064205, 35182985, 64691295, 87192615, 105548955, 133695343, 401086029, 668476715, 2005430145]

約数ペア:

[(1, 2005430145), (3, 668476715), (5, 401086029), (15, 133695343), (19, 105548955), (23, 87192615), (31, 64691295), (57, 35182985), (69, 29064205), (71, 28245495), (93, 21563765), (95, 21109791), (115, 17438523), (139, 14427555), (155, 12938259), (213, 9415165), (285, 7036597), (345, 5812841), (355, 5649099), (417, 4809185), (437, 4589085), (465, 4312753), (589, 3404805), (695, 2885511), (713, 2812665), (1065, 1883033), (1311, 1529695), (1349, 1486605), (1633, 1228065), (1767, 1134935), (2085, 961837), (2139, 937555), (2185, 917817), (2201, 911145), (2641, 759345), (2945, 680961), (3197, 627285), (3565, 562533), (4047, 495535), (4309, 465405), (4899, 409355), (6555, 305939), (6603, 303715), (6745, 297321), (7923, 253115), (8165, 245613), (8835, 226987), (9591, 209095), (9869, 203205), (10695, 187511), (11005, 182229), (12927, 155135), (13205, 151869), (13547, 148035), (15985, 125457), (20235, 99107), (21545, 93081), (24495, 81871), (29607, 67735), (31027, 64635), (33015, 60743), (39615, 50623), (40641, 49345), (41819, 47955)]