18797500

素因数分解:

$2^2\times 5^4\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 60

約数和(自身を含む): 42074032

約数和(自身を除く): 23276532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 103, 125, 146, 206, 250, 292, 365, 412, 500, 515, 625, 730, 1030, 1250, 1460, 1825, 2060, 2500, 2575, 3650, 5150, 7300, 7519, 9125, 10300, 12875, 15038, 18250, 25750, 30076, 36500, 37595, 45625, 51500, 64375, 75190, 91250, 128750, 150380, 182500, 187975, 257500, 375950, 751900, 939875, 1879750, 3759500, 4699375, 9398750, 18797500]

約数ペア:

[(1, 18797500), (2, 9398750), (4, 4699375), (5, 3759500), (10, 1879750), (20, 939875), (25, 751900), (50, 375950), (73, 257500), (100, 187975), (103, 182500), (125, 150380), (146, 128750), (206, 91250), (250, 75190), (292, 64375), (365, 51500), (412, 45625), (500, 37595), (515, 36500), (625, 30076), (730, 25750), (1030, 18250), (1250, 15038), (1460, 12875), (1825, 10300), (2060, 9125), (2500, 7519), (2575, 7300), (3650, 5150)]