219885875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3719}}^1$

素因数の和:3788

約数の個数: 32

約数和(自身を含む): 306408960

約数和(自身を除く): 86523085

約数列:

[1, 5, 11, 25, 43, 55, 125, 215, 275, 473, 1075, 1375, 2365, 3719, 5375, 11825, 18595, 40909, 59125, 92975, 159917, 204545, 464875, 799585, 1022725, 1759087, 3997925, 5113625, 8795435, 19989625, 43977175, 219885875]

約数ペア:

[(1, 219885875), (5, 43977175), (11, 19989625), (25, 8795435), (43, 5113625), (55, 3997925), (125, 1759087), (215, 1022725), (275, 799585), (473, 464875), (1075, 204545), (1375, 159917), (2365, 92975), (3719, 59125), (5375, 40909), (11825, 18595)]