2000838500

素因数分解:

$2^2\times 5^3\times {\mathrm{1283}}^1\times {\mathrm{3119}}^1$

素因数の和:4421

約数の個数: 48

約数和(自身を含む): 4374639360

約数和(自身を除く): 2373800860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 1283, 2566, 3119, 5132, 6238, 6415, 12476, 12830, 15595, 25660, 31190, 32075, 62380, 64150, 77975, 128300, 155950, 160375, 311900, 320750, 389875, 641500, 779750, 1559500, 4001677, 8003354, 16006708, 20008385, 40016770, 80033540, 100041925, 200083850, 400167700, 500209625, 1000419250, 2000838500]

約数ペア:

[(1, 2000838500), (2, 1000419250), (4, 500209625), (5, 400167700), (10, 200083850), (20, 100041925), (25, 80033540), (50, 40016770), (100, 20008385), (125, 16006708), (250, 8003354), (500, 4001677), (1283, 1559500), (2566, 779750), (3119, 641500), (5132, 389875), (6238, 320750), (6415, 311900), (12476, 160375), (12830, 155950), (15595, 128300), (25660, 77975), (31190, 64150), (32075, 62380)]