1945580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1069}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 5033280

約数和(自身を除く): 3087700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1069, 1820, 2138, 4276, 5345, 7483, 10690, 13897, 14966, 21380, 27794, 29932, 37415, 55588, 69485, 74830, 97279, 138970, 149660, 194558, 277940, 389116, 486395, 972790, 1945580]

約数ペア:

[(1, 1945580), (2, 972790), (4, 486395), (5, 389116), (7, 277940), (10, 194558), (13, 149660), (14, 138970), (20, 97279), (26, 74830), (28, 69485), (35, 55588), (52, 37415), (65, 29932), (70, 27794), (91, 21380), (130, 14966), (140, 13897), (182, 10690), (260, 7483), (364, 5345), (455, 4276), (910, 2138), (1069, 1820)]