2551430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 5515776

約数和(自身を除く): 2964346

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 127, 205, 245, 254, 287, 410, 490, 574, 635, 889, 1270, 1435, 1778, 2009, 2870, 4018, 4445, 5207, 6223, 8890, 10045, 10414, 12446, 20090, 26035, 31115, 36449, 52070, 62230, 72898, 182245, 255143, 364490, 510286, 1275715, 2551430]

約数ペア:

[(1, 2551430), (2, 1275715), (5, 510286), (7, 364490), (10, 255143), (14, 182245), (35, 72898), (41, 62230), (49, 52070), (70, 36449), (82, 31115), (98, 26035), (127, 20090), (205, 12446), (245, 10414), (254, 10045), (287, 8890), (410, 6223), (490, 5207), (574, 4445), (635, 4018), (889, 2870), (1270, 2009), (1435, 1778)]