28752890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3691}}^1$

素因数の和:3758

約数の個数: 32

約数和(自身を含む): 55823040

約数和(自身を除く): 27070150

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3691, 3895, 7382, 7790, 18455, 36910, 70129, 140258, 151331, 302662, 350645, 701290, 756655, 1513310, 2875289, 5750578, 14376445, 28752890]

約数ペア:

[(1, 28752890), (2, 14376445), (5, 5750578), (10, 2875289), (19, 1513310), (38, 756655), (41, 701290), (82, 350645), (95, 302662), (190, 151331), (205, 140258), (410, 70129), (779, 36910), (1558, 18455), (3691, 7790), (3895, 7382)]