18989400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{31649}}^1$

素因数の和:31668

約数の個数: 48

約数和(自身を含む): 58869000

約数和(自身を除く): 39879600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 31649, 63298, 94947, 126596, 158245, 189894, 253192, 316490, 379788, 474735, 632980, 759576, 791225, 949470, 1265960, 1582450, 1898940, 2373675, 3164900, 3797880, 4747350, 6329800, 9494700, 18989400]

約数ペア:

[(1, 18989400), (2, 9494700), (3, 6329800), (4, 4747350), (5, 3797880), (6, 3164900), (8, 2373675), (10, 1898940), (12, 1582450), (15, 1265960), (20, 949470), (24, 791225), (25, 759576), (30, 632980), (40, 474735), (50, 379788), (60, 316490), (75, 253192), (100, 189894), (120, 158245), (150, 126596), (200, 94947), (300, 63298), (600, 31649)]