204305470

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{7789}}^1$

素因数の和:7900

約数の個数: 32

約数和(自身を含む): 382520160

約数和(自身を除く): 178214690

約数列:

[1, 2, 5, 10, 43, 61, 86, 122, 215, 305, 430, 610, 2623, 5246, 7789, 13115, 15578, 26230, 38945, 77890, 334927, 475129, 669854, 950258, 1674635, 2375645, 3349270, 4751290, 20430547, 40861094, 102152735, 204305470]

約数ペア:

[(1, 204305470), (2, 102152735), (5, 40861094), (10, 20430547), (43, 4751290), (61, 3349270), (86, 2375645), (122, 1674635), (215, 950258), (305, 669854), (430, 475129), (610, 334927), (2623, 77890), (5246, 38945), (7789, 26230), (13115, 15578)]