1408820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 3507840

約数和(自身を除く): 2099020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 347, 406, 580, 694, 812, 1015, 1388, 1735, 2030, 2429, 3470, 4060, 4858, 6940, 9716, 10063, 12145, 20126, 24290, 40252, 48580, 50315, 70441, 100630, 140882, 201260, 281764, 352205, 704410, 1408820]

約数ペア:

[(1, 1408820), (2, 704410), (4, 352205), (5, 281764), (7, 201260), (10, 140882), (14, 100630), (20, 70441), (28, 50315), (29, 48580), (35, 40252), (58, 24290), (70, 20126), (116, 12145), (140, 10063), (145, 9716), (203, 6940), (290, 4858), (347, 4060), (406, 3470), (580, 2429), (694, 2030), (812, 1735), (1015, 1388)]