84257180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20753}}^1$

素因数の和:20798

約数の個数: 48

約数和(自身を含む): 209200320

約数和(自身を除く): 124943140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 20753, 41506, 83012, 103765, 145271, 207530, 290542, 415060, 581084, 601837, 726355, 1203674, 1452710, 2407348, 2905420, 3009185, 4212859, 6018370, 8425718, 12036740, 16851436, 21064295, 42128590, 84257180]

約数ペア:

[(1, 84257180), (2, 42128590), (4, 21064295), (5, 16851436), (7, 12036740), (10, 8425718), (14, 6018370), (20, 4212859), (28, 3009185), (29, 2905420), (35, 2407348), (58, 1452710), (70, 1203674), (116, 726355), (140, 601837), (145, 581084), (203, 415060), (290, 290542), (406, 207530), (580, 145271), (812, 103765), (1015, 83012), (2030, 41506), (4060, 20753)]