280168658

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1079

約数の個数: 64

約数和(自身を含む): 553900032

約数和(自身を除く): 273731374

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 83, 154, 161, 166, 253, 322, 506, 581, 913, 953, 1162, 1771, 1826, 1906, 1909, 3542, 3818, 6391, 6671, 10483, 12782, 13342, 13363, 20966, 20999, 21919, 26726, 41998, 43838, 73381, 79099, 146762, 146993, 153433, 158198, 241109, 293986, 306866, 482218, 553693, 870089, 1107386, 1687763, 1740178, 1819277, 3375526, 3638554, 6090623, 12181246, 12734939, 20012047, 25469878, 40024094, 140084329, 280168658]

約数ペア:

[(1, 280168658), (2, 140084329), (7, 40024094), (11, 25469878), (14, 20012047), (22, 12734939), (23, 12181246), (46, 6090623), (77, 3638554), (83, 3375526), (154, 1819277), (161, 1740178), (166, 1687763), (253, 1107386), (322, 870089), (506, 553693), (581, 482218), (913, 306866), (953, 293986), (1162, 241109), (1771, 158198), (1826, 153433), (1906, 146993), (1909, 146762), (3542, 79099), (3818, 73381), (6391, 43838), (6671, 41998), (10483, 26726), (12782, 21919), (13342, 20999), (13363, 20966)]