1974500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2742940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 359, 500, 550, 718, 1100, 1375, 1436, 1795, 2750, 3590, 3949, 5500, 7180, 7898, 8975, 15796, 17950, 19745, 35900, 39490, 44875, 78980, 89750, 98725, 179500, 197450, 394900, 493625, 987250, 1974500]

約数ペア:

[(1, 1974500), (2, 987250), (4, 493625), (5, 394900), (10, 197450), (11, 179500), (20, 98725), (22, 89750), (25, 78980), (44, 44875), (50, 39490), (55, 35900), (100, 19745), (110, 17950), (125, 15796), (220, 8975), (250, 7898), (275, 7180), (359, 5500), (500, 3949), (550, 3590), (718, 2750), (1100, 1795), (1375, 1436)]