138024880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{246473}}^1$

素因数の和:246493

約数の個数: 40

約数和(自身を含む): 366753312

約数和(自身を除く): 228728432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 246473, 492946, 985892, 1232365, 1725311, 1971784, 2464730, 3450622, 3943568, 4929460, 6901244, 8626555, 9858920, 13802488, 17253110, 19717840, 27604976, 34506220, 69012440, 138024880]

約数ペア:

[(1, 138024880), (2, 69012440), (4, 34506220), (5, 27604976), (7, 19717840), (8, 17253110), (10, 13802488), (14, 9858920), (16, 8626555), (20, 6901244), (28, 4929460), (35, 3943568), (40, 3450622), (56, 2464730), (70, 1971784), (80, 1725311), (112, 1232365), (140, 985892), (280, 492946), (560, 246473)]