7218260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1097}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 17708544

約数和(自身を除く): 10490284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1097, 1316, 1645, 2194, 3290, 4388, 5485, 6580, 7679, 10970, 15358, 21940, 30716, 38395, 51559, 76790, 103118, 153580, 206236, 257795, 360913, 515590, 721826, 1031180, 1443652, 1804565, 3609130, 7218260]

約数ペア:

[(1, 7218260), (2, 3609130), (4, 1804565), (5, 1443652), (7, 1031180), (10, 721826), (14, 515590), (20, 360913), (28, 257795), (35, 206236), (47, 153580), (70, 103118), (94, 76790), (140, 51559), (188, 38395), (235, 30716), (329, 21940), (470, 15358), (658, 10970), (940, 7679), (1097, 6580), (1316, 5485), (1645, 4388), (2194, 3290)]