28121590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1979}}^1$

素因数の和:2029

約数の個数: 48

約数和(自身を含む): 60944400

約数和(自身を除く): 32822810

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1421, 1979, 2030, 2842, 3958, 7105, 9895, 13853, 14210, 19790, 27706, 57391, 69265, 96971, 114782, 138530, 193942, 286955, 401737, 484855, 573910, 803474, 969710, 2008685, 2812159, 4017370, 5624318, 14060795, 28121590]

約数ペア:

[(1, 28121590), (2, 14060795), (5, 5624318), (7, 4017370), (10, 2812159), (14, 2008685), (29, 969710), (35, 803474), (49, 573910), (58, 484855), (70, 401737), (98, 286955), (145, 193942), (203, 138530), (245, 114782), (290, 96971), (406, 69265), (490, 57391), (1015, 27706), (1421, 19790), (1979, 14210), (2030, 13853), (2842, 9895), (3958, 7105)]