201045180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{478679}}^1$

素因数の和:478698

約数の個数: 48

約数和(自身を含む): 643345920

約数和(自身を除く): 442300740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 478679, 957358, 1436037, 1914716, 2393395, 2872074, 3350753, 4786790, 5744148, 6701506, 7180185, 9573580, 10052259, 13403012, 14360370, 16753765, 20104518, 28720740, 33507530, 40209036, 50261295, 67015060, 100522590, 201045180]

約数ペア:

[(1, 201045180), (2, 100522590), (3, 67015060), (4, 50261295), (5, 40209036), (6, 33507530), (7, 28720740), (10, 20104518), (12, 16753765), (14, 14360370), (15, 13403012), (20, 10052259), (21, 9573580), (28, 7180185), (30, 6701506), (35, 5744148), (42, 4786790), (60, 3350753), (70, 2872074), (84, 2393395), (105, 1914716), (140, 1436037), (210, 957358), (420, 478679)]