205207870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 436617216

約数和(自身を除く): 231409346

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 127, 205, 254, 287, 410, 563, 574, 635, 889, 1126, 1270, 1435, 1778, 2815, 2870, 3941, 4445, 5207, 5630, 7882, 8890, 10414, 19705, 23083, 26035, 36449, 39410, 46166, 52070, 71501, 72898, 115415, 143002, 161581, 182245, 230830, 323162, 357505, 364490, 500507, 715010, 807905, 1001014, 1615810, 2502535, 2931541, 5005070, 5863082, 14657705, 20520787, 29315410, 41041574, 102603935, 205207870]

約数ペア:

[(1, 205207870), (2, 102603935), (5, 41041574), (7, 29315410), (10, 20520787), (14, 14657705), (35, 5863082), (41, 5005070), (70, 2931541), (82, 2502535), (127, 1615810), (205, 1001014), (254, 807905), (287, 715010), (410, 500507), (563, 364490), (574, 357505), (635, 323162), (889, 230830), (1126, 182245), (1270, 161581), (1435, 143002), (1778, 115415), (2815, 72898), (2870, 71501), (3941, 52070), (4445, 46166), (5207, 39410), (5630, 36449), (7882, 26035), (8890, 23083), (10414, 19705)]