12800270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 27135648

約数和(自身を除く): 14335378

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 151, 173, 245, 302, 346, 490, 755, 865, 1057, 1211, 1510, 1730, 2114, 2422, 5285, 6055, 7399, 8477, 10570, 12110, 14798, 16954, 26123, 36995, 42385, 52246, 73990, 84770, 130615, 182861, 261230, 365722, 914305, 1280027, 1828610, 2560054, 6400135, 12800270]

約数ペア:

[(1, 12800270), (2, 6400135), (5, 2560054), (7, 1828610), (10, 1280027), (14, 914305), (35, 365722), (49, 261230), (70, 182861), (98, 130615), (151, 84770), (173, 73990), (245, 52246), (302, 42385), (346, 36995), (490, 26123), (755, 16954), (865, 14798), (1057, 12110), (1211, 10570), (1510, 8477), (1730, 7399), (2114, 6055), (2422, 5285)]