214459490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71249}}^1$

素因数の和:71306

約数の個数: 32

約数和(自身を含む): 451440000

約数和(自身を除く): 236980510

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 71249, 142498, 356245, 498743, 712490, 997486, 2493715, 3063707, 4987430, 6127414, 15318535, 21445949, 30637070, 42891898, 107229745, 214459490]

約数ペア:

[(1, 214459490), (2, 107229745), (5, 42891898), (7, 30637070), (10, 21445949), (14, 15318535), (35, 6127414), (43, 4987430), (70, 3063707), (86, 2493715), (215, 997486), (301, 712490), (430, 498743), (602, 356245), (1505, 142498), (3010, 71249)]