2052806490

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{51721}}^1$

素因数の和:51754

約数の個数: 120

約数和(自身を含む): 6421079412

約数和(自身を除く): 4368272922

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 490, 567, 630, 735, 810, 882, 945, 1134, 1323, 1470, 1890, 2205, 2646, 2835, 3969, 4410, 5670, 6615, 7938, 13230, 19845, 39690, 51721, 103442, 155163, 258605, 310326, 362047, 465489, 517210, 724094, 775815, 930978, 1086141, 1396467, 1551630, 1810235, 2172282, 2327445, 2534329, 2792934, 3258423, 3620470, 4189401, 4654890, 5068658, 5430705, 6516846, 6982335, 7602987, 8378802, 9775269, 10861410, 12671645, 13964670, 15205974, 16292115, 19550538, 20947005, 22808961, 25343290, 29325807, 32584230, 38014935, 41894010, 45617922, 48876345, 58651614, 68426883, 76029870, 97752690, 114044805, 136853766, 146629035, 205280649, 228089610, 293258070, 342134415, 410561298, 684268830, 1026403245, 2052806490]

約数ペア:

[(1, 2052806490), (2, 1026403245), (3, 684268830), (5, 410561298), (6, 342134415), (7, 293258070), (9, 228089610), (10, 205280649), (14, 146629035), (15, 136853766), (18, 114044805), (21, 97752690), (27, 76029870), (30, 68426883), (35, 58651614), (42, 48876345), (45, 45617922), (49, 41894010), (54, 38014935), (63, 32584230), (70, 29325807), (81, 25343290), (90, 22808961), (98, 20947005), (105, 19550538), (126, 16292115), (135, 15205974), (147, 13964670), (162, 12671645), (189, 10861410), (210, 9775269), (245, 8378802), (270, 7602987), (294, 6982335), (315, 6516846), (378, 5430705), (405, 5068658), (441, 4654890), (490, 4189401), (567, 3620470), (630, 3258423), (735, 2792934), (810, 2534329), (882, 2327445), (945, 2172282), (1134, 1810235), (1323, 1551630), (1470, 1396467), (1890, 1086141), (2205, 930978), (2646, 775815), (2835, 724094), (3969, 517210), (4410, 465489), (5670, 362047), (6615, 310326), (7938, 258605), (13230, 155163), (19845, 103442), (39690, 51721)]