1561912460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1\times {\mathrm{2311}}^1$

素因数の和:3086

約数の個数: 48

約数和(自身を含む): 3355914240

約数和(自身を除く): 1794001780

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 719, 940, 1438, 2311, 2876, 3595, 4622, 7190, 9244, 11555, 14380, 23110, 33793, 46220, 67586, 108617, 135172, 168965, 217234, 337930, 434468, 543085, 675860, 1086170, 1661609, 2172340, 3323218, 6646436, 8308045, 16616090, 33232180, 78095623, 156191246, 312382492, 390478115, 780956230, 1561912460]

約数ペア:

[(1, 1561912460), (2, 780956230), (4, 390478115), (5, 312382492), (10, 156191246), (20, 78095623), (47, 33232180), (94, 16616090), (188, 8308045), (235, 6646436), (470, 3323218), (719, 2172340), (940, 1661609), (1438, 1086170), (2311, 675860), (2876, 543085), (3595, 434468), (4622, 337930), (7190, 217234), (9244, 168965), (11555, 135172), (14380, 108617), (23110, 67586), (33793, 46220)]