204039784

素因数分解:

$2^3\times {\mathrm{13}}^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 445550400

約数和(自身を除く): 241510616

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 47, 52, 76, 94, 104, 152, 169, 188, 247, 338, 376, 494, 611, 676, 893, 988, 1222, 1352, 1786, 1976, 2197, 2444, 3211, 3572, 4394, 4888, 6422, 7144, 7943, 8788, 11609, 12844, 15886, 17576, 23218, 25688, 28561, 31772, 41743, 46436, 57122, 63544, 83486, 92872, 103259, 114244, 150917, 166972, 206518, 228488, 301834, 333944, 413036, 542659, 603668, 826072, 1085318, 1207336, 1342367, 1961921, 2170636, 2684734, 3923842, 4341272, 5369468, 7847684, 10738936, 15695368, 25504973, 51009946, 102019892, 204039784]

約数ペア:

[(1, 204039784), (2, 102019892), (4, 51009946), (8, 25504973), (13, 15695368), (19, 10738936), (26, 7847684), (38, 5369468), (47, 4341272), (52, 3923842), (76, 2684734), (94, 2170636), (104, 1961921), (152, 1342367), (169, 1207336), (188, 1085318), (247, 826072), (338, 603668), (376, 542659), (494, 413036), (611, 333944), (676, 301834), (893, 228488), (988, 206518), (1222, 166972), (1352, 150917), (1786, 114244), (1976, 103259), (2197, 92872), (2444, 83486), (3211, 63544), (3572, 57122), (4394, 46436), (4888, 41743), (6422, 31772), (7144, 28561), (7943, 25688), (8788, 23218), (11609, 17576), (12844, 15886)]