251529410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{120349}}^1$

素因数の和:120386

約数の個数: 32

約数和(自身を含む): 519912000

約数和(自身を除く): 268382590

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 120349, 240698, 601745, 1203490, 1323839, 2286631, 2647678, 4573262, 6619195, 11433155, 13238390, 22866310, 25152941, 50305882, 125764705, 251529410]

約数ペア:

[(1, 251529410), (2, 125764705), (5, 50305882), (10, 25152941), (11, 22866310), (19, 13238390), (22, 11433155), (38, 6619195), (55, 4573262), (95, 2647678), (110, 2286631), (190, 1323839), (209, 1203490), (418, 601745), (1045, 240698), (2090, 120349)]