205765250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{43319}}^1$

素因数の和:43355

約数の個数: 32

約数和(自身を含む): 405475200

約数和(自身を除く): 199709950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 43319, 86638, 216595, 433190, 823061, 1082975, 1646122, 2165950, 4115305, 5414875, 8230610, 10829750, 20576525, 41153050, 102882625, 205765250]

約数ペア:

[(1, 205765250), (2, 102882625), (5, 41153050), (10, 20576525), (19, 10829750), (25, 8230610), (38, 5414875), (50, 4115305), (95, 2165950), (125, 1646122), (190, 1082975), (250, 823061), (475, 433190), (950, 216595), (2375, 86638), (4750, 43319)]