1990500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{1327}}^1$

素因数の和:1349

約数の個数: 48

約数和(自身を含む): 5800704

約数和(自身を除く): 3810204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1327, 1500, 2654, 3981, 5308, 6635, 7962, 13270, 15924, 19905, 26540, 33175, 39810, 66350, 79620, 99525, 132700, 165875, 199050, 331750, 398100, 497625, 663500, 995250, 1990500]

約数ペア:

[(1, 1990500), (2, 995250), (3, 663500), (4, 497625), (5, 398100), (6, 331750), (10, 199050), (12, 165875), (15, 132700), (20, 99525), (25, 79620), (30, 66350), (50, 39810), (60, 33175), (75, 26540), (100, 19905), (125, 15924), (150, 13270), (250, 7962), (300, 6635), (375, 5308), (500, 3981), (750, 2654), (1327, 1500)]