3457880

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 7849440

約数和(自身を除く): 4391560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 631, 685, 1096, 1262, 1370, 2524, 2740, 3155, 5048, 5480, 6310, 12620, 25240, 86447, 172894, 345788, 432235, 691576, 864470, 1728940, 3457880]

約数ペア:

[(1, 3457880), (2, 1728940), (4, 864470), (5, 691576), (8, 432235), (10, 345788), (20, 172894), (40, 86447), (137, 25240), (274, 12620), (548, 6310), (631, 5480), (685, 5048), (1096, 3155), (1262, 2740), (1370, 2524)]