2019026075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 2778468000

約数和(自身を除く): 759441925

約数列:

[1, 5, 11, 25, 55, 109, 193, 275, 349, 545, 965, 1199, 1745, 2123, 2725, 3839, 4825, 5995, 8725, 10615, 19195, 21037, 29975, 38041, 53075, 67357, 95975, 105185, 190205, 231407, 336785, 418451, 525925, 740927, 951025, 1157035, 1683925, 2092255, 3704635, 5785175, 7341913, 10461275, 18523175, 36709565, 80761043, 183547825, 403805215, 2019026075]

約数ペア:

[(1, 2019026075), (5, 403805215), (11, 183547825), (25, 80761043), (55, 36709565), (109, 18523175), (193, 10461275), (275, 7341913), (349, 5785175), (545, 3704635), (965, 2092255), (1199, 1683925), (1745, 1157035), (2123, 951025), (2725, 740927), (3839, 525925), (4825, 418451), (5995, 336785), (8725, 231407), (10615, 190205), (19195, 105185), (21037, 95975), (29975, 67357), (38041, 53075)]