2012489900

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{78307}}^1$

素因数の和:78578

約数の個数: 36

約数和(自身を含む): 4384151688

約数和(自身を除く): 2371661788

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 1028, 1285, 2570, 5140, 6425, 12850, 25700, 78307, 156614, 313228, 391535, 783070, 1566140, 1957675, 3915350, 7830700, 20124899, 40249798, 80499596, 100624495, 201248990, 402497980, 503122475, 1006244950, 2012489900]

約数ペア:

[(1, 2012489900), (2, 1006244950), (4, 503122475), (5, 402497980), (10, 201248990), (20, 100624495), (25, 80499596), (50, 40249798), (100, 20124899), (257, 7830700), (514, 3915350), (1028, 1957675), (1285, 1566140), (2570, 783070), (5140, 391535), (6425, 313228), (12850, 156614), (25700, 78307)]