142423120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1291}}^1$

素因数の和:1508

約数の個数: 80

約数和(自身を含む): 380654208

約数和(自身を除く): 238231088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 788, 985, 1291, 1379, 1576, 1970, 2582, 2758, 3152, 3940, 5164, 5516, 6455, 6895, 7880, 9037, 10328, 11032, 12910, 13790, 15760, 18074, 20656, 22064, 25820, 27580, 36148, 45185, 51640, 55160, 72296, 90370, 103280, 110320, 144592, 180740, 254327, 361480, 508654, 722960, 1017308, 1271635, 1780289, 2034616, 2543270, 3560578, 4069232, 5086540, 7121156, 8901445, 10173080, 14242312, 17802890, 20346160, 28484624, 35605780, 71211560, 142423120]

約数ペア:

[(1, 142423120), (2, 71211560), (4, 35605780), (5, 28484624), (7, 20346160), (8, 17802890), (10, 14242312), (14, 10173080), (16, 8901445), (20, 7121156), (28, 5086540), (35, 4069232), (40, 3560578), (56, 2543270), (70, 2034616), (80, 1780289), (112, 1271635), (140, 1017308), (197, 722960), (280, 508654), (394, 361480), (560, 254327), (788, 180740), (985, 144592), (1291, 110320), (1379, 103280), (1576, 90370), (1970, 72296), (2582, 55160), (2758, 51640), (3152, 45185), (3940, 36148), (5164, 27580), (5516, 25820), (6455, 22064), (6895, 20656), (7880, 18074), (9037, 15760), (10328, 13790), (11032, 12910)]