6639220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 16289280

約数和(自身を除く): 9650060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1009, 1316, 1645, 2018, 3290, 4036, 5045, 6580, 7063, 10090, 14126, 20180, 28252, 35315, 47423, 70630, 94846, 141260, 189692, 237115, 331961, 474230, 663922, 948460, 1327844, 1659805, 3319610, 6639220]

約数ペア:

[(1, 6639220), (2, 3319610), (4, 1659805), (5, 1327844), (7, 948460), (10, 663922), (14, 474230), (20, 331961), (28, 237115), (35, 189692), (47, 141260), (70, 94846), (94, 70630), (140, 47423), (188, 35315), (235, 28252), (329, 20180), (470, 14126), (658, 10090), (940, 7063), (1009, 6580), (1316, 5045), (1645, 4036), (2018, 3290)]