287777268

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 801702720

約数和(自身を除く): 513925452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 83, 111, 114, 137, 148, 166, 171, 222, 228, 249, 274, 332, 333, 342, 411, 444, 498, 548, 666, 684, 703, 747, 822, 996, 1233, 1332, 1406, 1494, 1577, 1644, 2109, 2466, 2603, 2812, 2988, 3071, 3154, 4218, 4731, 4932, 5069, 5206, 6142, 6308, 6327, 7809, 8436, 9213, 9462, 10138, 10412, 11371, 12284, 12654, 14193, 15207, 15618, 18426, 18924, 20276, 22742, 23427, 25308, 27639, 28386, 30414, 31236, 34113, 36852, 45484, 45621, 46854, 55278, 56772, 58349, 60828, 68226, 91242, 93708, 96311, 102339, 110556, 116698, 136452, 175047, 182484, 192622, 204678, 216049, 233396, 288933, 350094, 385244, 409356, 420727, 432098, 525141, 577866, 648147, 700188, 841454, 864196, 866799, 1050282, 1155732, 1262181, 1296294, 1682908, 1733598, 1944441, 2100564, 2524362, 2592588, 3467196, 3786543, 3888882, 5048724, 7573086, 7777764, 7993813, 15146172, 15987626, 23981439, 31975252, 47962878, 71944317, 95925756, 143888634, 287777268]

約数ペア:

[(1, 287777268), (2, 143888634), (3, 95925756), (4, 71944317), (6, 47962878), (9, 31975252), (12, 23981439), (18, 15987626), (19, 15146172), (36, 7993813), (37, 7777764), (38, 7573086), (57, 5048724), (74, 3888882), (76, 3786543), (83, 3467196), (111, 2592588), (114, 2524362), (137, 2100564), (148, 1944441), (166, 1733598), (171, 1682908), (222, 1296294), (228, 1262181), (249, 1155732), (274, 1050282), (332, 866799), (333, 864196), (342, 841454), (411, 700188), (444, 648147), (498, 577866), (548, 525141), (666, 432098), (684, 420727), (703, 409356), (747, 385244), (822, 350094), (996, 288933), (1233, 233396), (1332, 216049), (1406, 204678), (1494, 192622), (1577, 182484), (1644, 175047), (2109, 136452), (2466, 116698), (2603, 110556), (2812, 102339), (2988, 96311), (3071, 93708), (3154, 91242), (4218, 68226), (4731, 60828), (4932, 58349), (5069, 56772), (5206, 55278), (6142, 46854), (6308, 45621), (6327, 45484), (7809, 36852), (8436, 34113), (9213, 31236), (9462, 30414), (10138, 28386), (10412, 27639), (11371, 25308), (12284, 23427), (12654, 22742), (14193, 20276), (15207, 18924), (15618, 18426)]