289222750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{60889}}^1$

素因数の和:60925

約数の個数: 32

約数和(自身を含む): 569930400

約数和(自身を除く): 280707650

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 60889, 121778, 304445, 608890, 1156891, 1522225, 2313782, 3044450, 5784455, 7611125, 11568910, 15222250, 28922275, 57844550, 144611375, 289222750]

約数ペア:

[(1, 289222750), (2, 144611375), (5, 57844550), (10, 28922275), (19, 15222250), (25, 11568910), (38, 7611125), (50, 5784455), (95, 3044450), (125, 2313782), (190, 1522225), (250, 1156891), (475, 608890), (950, 304445), (2375, 121778), (4750, 60889)]