128083900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2731}}^1$

素因数の和:2819

約数の個数: 72

約数和(自身を含む): 322507136

約数和(自身を除く): 194423236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 67, 70, 100, 134, 140, 175, 268, 335, 350, 469, 670, 700, 938, 1340, 1675, 1876, 2345, 2731, 3350, 4690, 5462, 6700, 9380, 10924, 11725, 13655, 19117, 23450, 27310, 38234, 46900, 54620, 68275, 76468, 95585, 136550, 182977, 191170, 273100, 365954, 382340, 477925, 731908, 914885, 955850, 1280839, 1829770, 1911700, 2561678, 3659540, 4574425, 5123356, 6404195, 9148850, 12808390, 18297700, 25616780, 32020975, 64041950, 128083900]

約数ペア:

[(1, 128083900), (2, 64041950), (4, 32020975), (5, 25616780), (7, 18297700), (10, 12808390), (14, 9148850), (20, 6404195), (25, 5123356), (28, 4574425), (35, 3659540), (50, 2561678), (67, 1911700), (70, 1829770), (100, 1280839), (134, 955850), (140, 914885), (175, 731908), (268, 477925), (335, 382340), (350, 365954), (469, 273100), (670, 191170), (700, 182977), (938, 136550), (1340, 95585), (1675, 76468), (1876, 68275), (2345, 54620), (2731, 46900), (3350, 38234), (4690, 27310), (5462, 23450), (6700, 19117), (9380, 13655), (10924, 11725)]