204666420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21187}}^1$

素因数の和:21229

約数の個数: 96

約数和(自身を含む): 683440128

約数和(自身を除く): 478773708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 21187, 42374, 63561, 84748, 105935, 127122, 148309, 211870, 254244, 296618, 317805, 423740, 444927, 487301, 593236, 635610, 741545, 889854, 974602, 1271220, 1461903, 1483090, 1779708, 1949204, 2224635, 2436505, 2923806, 2966180, 3411107, 4449270, 4873010, 5847612, 6822214, 7309515, 8898540, 9746020, 10233321, 13644428, 14619030, 17055535, 20466642, 29238060, 34111070, 40933284, 51166605, 68222140, 102333210, 204666420]

約数ペア:

[(1, 204666420), (2, 102333210), (3, 68222140), (4, 51166605), (5, 40933284), (6, 34111070), (7, 29238060), (10, 20466642), (12, 17055535), (14, 14619030), (15, 13644428), (20, 10233321), (21, 9746020), (23, 8898540), (28, 7309515), (30, 6822214), (35, 5847612), (42, 4873010), (46, 4449270), (60, 3411107), (69, 2966180), (70, 2923806), (84, 2436505), (92, 2224635), (105, 1949204), (115, 1779708), (138, 1483090), (140, 1461903), (161, 1271220), (210, 974602), (230, 889854), (276, 741545), (322, 635610), (345, 593236), (420, 487301), (460, 444927), (483, 423740), (644, 317805), (690, 296618), (805, 254244), (966, 211870), (1380, 148309), (1610, 127122), (1932, 105935), (2415, 84748), (3220, 63561), (4830, 42374), (9660, 21187)]