27882820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{719}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 67253760

約数和(自身を除く): 39370940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 719, 1108, 1385, 1438, 1939, 2770, 2876, 3595, 3878, 5033, 5540, 7190, 7756, 9695, 10066, 14380, 19390, 20132, 25165, 38780, 50330, 100660, 199163, 398326, 796652, 995815, 1394141, 1991630, 2788282, 3983260, 5576564, 6970705, 13941410, 27882820]

約数ペア:

[(1, 27882820), (2, 13941410), (4, 6970705), (5, 5576564), (7, 3983260), (10, 2788282), (14, 1991630), (20, 1394141), (28, 995815), (35, 796652), (70, 398326), (140, 199163), (277, 100660), (554, 50330), (719, 38780), (1108, 25165), (1385, 20132), (1438, 19390), (1939, 14380), (2770, 10066), (2876, 9695), (3595, 7756), (3878, 7190), (5033, 5540)]