77520940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79103}}^1$

素因数の和:79126

約数の個数: 36

約数和(自身を含む): 189374976

約数和(自身を除く): 111854036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79103, 158206, 316412, 395515, 553721, 791030, 1107442, 1582060, 2214884, 2768605, 3876047, 5537210, 7752094, 11074420, 15504188, 19380235, 38760470, 77520940]

約数ペア:

[(1, 77520940), (2, 38760470), (4, 19380235), (5, 15504188), (7, 11074420), (10, 7752094), (14, 5537210), (20, 3876047), (28, 2768605), (35, 2214884), (49, 1582060), (70, 1107442), (98, 791030), (140, 553721), (196, 395515), (245, 316412), (490, 158206), (980, 79103)]