28624780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 62689536

約数和(自身を除く): 34064756

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 337, 548, 620, 674, 685, 1348, 1370, 1685, 2740, 3370, 4247, 6740, 8494, 10447, 16988, 20894, 21235, 41788, 42470, 46169, 52235, 84940, 92338, 104470, 184676, 208940, 230845, 461690, 923380, 1431239, 2862478, 5724956, 7156195, 14312390, 28624780]

約数ペア:

[(1, 28624780), (2, 14312390), (4, 7156195), (5, 5724956), (10, 2862478), (20, 1431239), (31, 923380), (62, 461690), (124, 230845), (137, 208940), (155, 184676), (274, 104470), (310, 92338), (337, 84940), (548, 52235), (620, 46169), (674, 42470), (685, 41788), (1348, 21235), (1370, 20894), (1685, 16988), (2740, 10447), (3370, 8494), (4247, 6740)]