148285840

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^2\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 60

約数和(自身を含む): 350123796

約数和(自身を除く): 201837956

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 197, 388, 394, 485, 776, 788, 970, 985, 1552, 1576, 1940, 1970, 3152, 3880, 3940, 7760, 7880, 9409, 15760, 18818, 19109, 37636, 38218, 47045, 75272, 76436, 94090, 95545, 150544, 152872, 188180, 191090, 305744, 376360, 382180, 752720, 764360, 1528720, 1853573, 3707146, 7414292, 9267865, 14828584, 18535730, 29657168, 37071460, 74142920, 148285840]

約数ペア:

[(1, 148285840), (2, 74142920), (4, 37071460), (5, 29657168), (8, 18535730), (10, 14828584), (16, 9267865), (20, 7414292), (40, 3707146), (80, 1853573), (97, 1528720), (194, 764360), (197, 752720), (388, 382180), (394, 376360), (485, 305744), (776, 191090), (788, 188180), (970, 152872), (985, 150544), (1552, 95545), (1576, 94090), (1940, 76436), (1970, 75272), (3152, 47045), (3880, 38218), (3940, 37636), (7760, 19109), (7880, 18818), (9409, 15760)]