2017993000

素因数分解:

$2^3\times 5^3\times {\mathrm{647}}^1\times {\mathrm{3119}}^1$

素因数の和:3787

約数の個数: 64

約数和(自身を含む): 4730918400

約数和(自身を除く): 2712925400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 647, 1000, 1294, 2588, 3119, 3235, 5176, 6238, 6470, 12476, 12940, 15595, 16175, 24952, 25880, 31190, 32350, 62380, 64700, 77975, 80875, 124760, 129400, 155950, 161750, 311900, 323500, 389875, 623800, 647000, 779750, 1559500, 2017993, 3119000, 4035986, 8071972, 10089965, 16143944, 20179930, 40359860, 50449825, 80719720, 100899650, 201799300, 252249125, 403598600, 504498250, 1008996500, 2017993000]

約数ペア:

[(1, 2017993000), (2, 1008996500), (4, 504498250), (5, 403598600), (8, 252249125), (10, 201799300), (20, 100899650), (25, 80719720), (40, 50449825), (50, 40359860), (100, 20179930), (125, 16143944), (200, 10089965), (250, 8071972), (500, 4035986), (647, 3119000), (1000, 2017993), (1294, 1559500), (2588, 779750), (3119, 647000), (3235, 623800), (5176, 389875), (6238, 323500), (6470, 311900), (12476, 161750), (12940, 155950), (15595, 129400), (16175, 124760), (24952, 80875), (25880, 77975), (31190, 64700), (32350, 62380)]