245820666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 632217600

約数和(自身を除く): 386396934

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 78, 79, 82, 91, 123, 139, 158, 182, 237, 246, 273, 278, 287, 417, 474, 533, 546, 553, 574, 834, 861, 973, 1027, 1066, 1106, 1599, 1659, 1722, 1807, 1946, 2054, 2919, 3081, 3198, 3239, 3318, 3614, 3731, 5421, 5699, 5838, 6162, 6478, 7189, 7462, 9717, 10842, 10981, 11193, 11398, 12649, 14378, 17097, 19434, 21567, 21962, 22386, 22673, 25298, 32943, 34194, 37947, 39893, 42107, 43134, 45346, 65886, 68019, 74087, 75894, 76867, 79786, 84214, 119679, 126321, 136038, 142753, 148174, 153734, 222261, 230601, 239358, 252642, 285506, 294749, 428259, 444522, 450221, 461202, 518609, 589498, 856518, 884247, 900442, 999271, 1037218, 1350663, 1555827, 1768494, 1998542, 2701326, 2997813, 3111654, 3151547, 5852873, 5995626, 6303094, 9454641, 11705746, 17558619, 18909282, 35117238, 40970111, 81940222, 122910333, 245820666]

約数ペア:

[(1, 245820666), (2, 122910333), (3, 81940222), (6, 40970111), (7, 35117238), (13, 18909282), (14, 17558619), (21, 11705746), (26, 9454641), (39, 6303094), (41, 5995626), (42, 5852873), (78, 3151547), (79, 3111654), (82, 2997813), (91, 2701326), (123, 1998542), (139, 1768494), (158, 1555827), (182, 1350663), (237, 1037218), (246, 999271), (273, 900442), (278, 884247), (287, 856518), (417, 589498), (474, 518609), (533, 461202), (546, 450221), (553, 444522), (574, 428259), (834, 294749), (861, 285506), (973, 252642), (1027, 239358), (1066, 230601), (1106, 222261), (1599, 153734), (1659, 148174), (1722, 142753), (1807, 136038), (1946, 126321), (2054, 119679), (2919, 84214), (3081, 79786), (3198, 76867), (3239, 75894), (3318, 74087), (3614, 68019), (3731, 65886), (5421, 45346), (5699, 43134), (5838, 42107), (6162, 39893), (6478, 37947), (7189, 34194), (7462, 32943), (9717, 25298), (10842, 22673), (10981, 22386), (11193, 21962), (11398, 21567), (12649, 19434), (14378, 17097)]