53942140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2897}}^1$

素因数の和:2939

約数の個数: 72

約数和(自身を含む): 138756240

約数和(自身を除く): 84814100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 2897, 3724, 4655, 5794, 9310, 11588, 14485, 18620, 20279, 28970, 40558, 55043, 57940, 81116, 101395, 110086, 141953, 202790, 220172, 275215, 283906, 385301, 405580, 550430, 567812, 709765, 770602, 1100860, 1419530, 1541204, 1926505, 2697107, 2839060, 3853010, 5394214, 7706020, 10788428, 13485535, 26971070, 53942140]

約数ペア:

[(1, 53942140), (2, 26971070), (4, 13485535), (5, 10788428), (7, 7706020), (10, 5394214), (14, 3853010), (19, 2839060), (20, 2697107), (28, 1926505), (35, 1541204), (38, 1419530), (49, 1100860), (70, 770602), (76, 709765), (95, 567812), (98, 550430), (133, 405580), (140, 385301), (190, 283906), (196, 275215), (245, 220172), (266, 202790), (380, 141953), (490, 110086), (532, 101395), (665, 81116), (931, 57940), (980, 55043), (1330, 40558), (1862, 28970), (2660, 20279), (2897, 18620), (3724, 14485), (4655, 11588), (5794, 9310)]