400305087

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 754790400

約数和(自身を除く): 354485313

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 79, 91, 117, 161, 207, 237, 269, 273, 299, 483, 553, 711, 807, 819, 897, 1027, 1449, 1659, 1817, 1883, 2093, 2421, 2691, 3081, 3497, 4977, 5451, 5649, 6187, 6279, 7189, 9243, 10491, 12719, 16353, 16947, 18561, 18837, 21251, 21567, 23621, 24479, 31473, 38157, 43309, 55683, 63753, 64701, 70863, 73437, 80431, 114471, 129927, 148757, 165347, 191259, 212589, 220311, 241293, 276263, 389781, 446271, 488773, 496041, 563017, 723879, 828789, 1338813, 1466319, 1488123, 1689051, 1933841, 2486367, 3421411, 4398957, 5067153, 5801523, 6354049, 10264233, 17404569, 19062147, 30792699, 44478343, 57186441, 133435029, 400305087]

約数ペア:

[(1, 400305087), (3, 133435029), (7, 57186441), (9, 44478343), (13, 30792699), (21, 19062147), (23, 17404569), (39, 10264233), (63, 6354049), (69, 5801523), (79, 5067153), (91, 4398957), (117, 3421411), (161, 2486367), (207, 1933841), (237, 1689051), (269, 1488123), (273, 1466319), (299, 1338813), (483, 828789), (553, 723879), (711, 563017), (807, 496041), (819, 488773), (897, 446271), (1027, 389781), (1449, 276263), (1659, 241293), (1817, 220311), (1883, 212589), (2093, 191259), (2421, 165347), (2691, 148757), (3081, 129927), (3497, 114471), (4977, 80431), (5451, 73437), (5649, 70863), (6187, 64701), (6279, 63753), (7189, 55683), (9243, 43309), (10491, 38157), (12719, 31473), (16353, 24479), (16947, 23621), (18561, 21567), (18837, 21251)]