19312500

素因数分解:

$2^2\times 3^1\times 5^6\times {\mathrm{103}}^1$

素因数の和:140

約数の個数: 84

約数和(自身を含む): 56874272

約数和(自身を除く): 37561772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 103, 125, 150, 206, 250, 300, 309, 375, 412, 500, 515, 618, 625, 750, 1030, 1236, 1250, 1500, 1545, 1875, 2060, 2500, 2575, 3090, 3125, 3750, 5150, 6180, 6250, 7500, 7725, 9375, 10300, 12500, 12875, 15450, 15625, 18750, 25750, 30900, 31250, 37500, 38625, 46875, 51500, 62500, 64375, 77250, 93750, 128750, 154500, 187500, 193125, 257500, 321875, 386250, 643750, 772500, 965625, 1287500, 1609375, 1931250, 3218750, 3862500, 4828125, 6437500, 9656250, 19312500]

約数ペア:

[(1, 19312500), (2, 9656250), (3, 6437500), (4, 4828125), (5, 3862500), (6, 3218750), (10, 1931250), (12, 1609375), (15, 1287500), (20, 965625), (25, 772500), (30, 643750), (50, 386250), (60, 321875), (75, 257500), (100, 193125), (103, 187500), (125, 154500), (150, 128750), (206, 93750), (250, 77250), (300, 64375), (309, 62500), (375, 51500), (412, 46875), (500, 38625), (515, 37500), (618, 31250), (625, 30900), (750, 25750), (1030, 18750), (1236, 15625), (1250, 15450), (1500, 12875), (1545, 12500), (1875, 10300), (2060, 9375), (2500, 7725), (2575, 7500), (3090, 6250), (3125, 6180), (3750, 5150)]