77921270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{159023}}^1$

素因数の和:159044

約数の個数: 24

約数和(自身を含む): 163158624

約数和(自身を除く): 85237354

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 159023, 318046, 795115, 1113161, 1590230, 2226322, 5565805, 7792127, 11131610, 15584254, 38960635, 77921270]

約数ペア:

[(1, 77921270), (2, 38960635), (5, 15584254), (7, 11131610), (10, 7792127), (14, 5565805), (35, 2226322), (49, 1590230), (70, 1113161), (98, 795115), (245, 318046), (490, 159023)]