6642440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{3389}}^1$

素因数の和:3414

約数の個数: 48

約数和(自身を含む): 17390700

約数和(自身を除く): 10748260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 3389, 6778, 13556, 16945, 23723, 27112, 33890, 47446, 67780, 94892, 118615, 135560, 166061, 189784, 237230, 332122, 474460, 664244, 830305, 948920, 1328488, 1660610, 3321220, 6642440]

約数ペア:

[(1, 6642440), (2, 3321220), (4, 1660610), (5, 1328488), (7, 948920), (8, 830305), (10, 664244), (14, 474460), (20, 332122), (28, 237230), (35, 189784), (40, 166061), (49, 135560), (56, 118615), (70, 94892), (98, 67780), (140, 47446), (196, 33890), (245, 27112), (280, 23723), (392, 16945), (490, 13556), (980, 6778), (1960, 3389)]