22220500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2377

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 28885100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2339, 2375, 4678, 4750, 9356, 9500, 11695, 23390, 44441, 46780, 58475, 88882, 116950, 177764, 222205, 233900, 292375, 444410, 584750, 888820, 1111025, 1169500, 2222050, 4444100, 5555125, 11110250, 22220500]

約数ペア:

[(1, 22220500), (2, 11110250), (4, 5555125), (5, 4444100), (10, 2222050), (19, 1169500), (20, 1111025), (25, 888820), (38, 584750), (50, 444410), (76, 292375), (95, 233900), (100, 222205), (125, 177764), (190, 116950), (250, 88882), (380, 58475), (475, 46780), (500, 44441), (950, 23390), (1900, 11695), (2339, 9500), (2375, 9356), (4678, 4750)]