319248020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{175411}}^1$

素因数の和:175440

約数の個数: 48

約数和(自身を含む): 825138048

約数和(自身を除く): 505890028

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, 1820, 175411, 350822, 701644, 877055, 1227877, 1754110, 2280343, 2455754, 3508220, 4560686, 4911508, 6139385, 9121372, 11401715, 12278770, 15962401, 22803430, 24557540, 31924802, 45606860, 63849604, 79812005, 159624010, 319248020]

約数ペア:

[(1, 319248020), (2, 159624010), (4, 79812005), (5, 63849604), (7, 45606860), (10, 31924802), (13, 24557540), (14, 22803430), (20, 15962401), (26, 12278770), (28, 11401715), (35, 9121372), (52, 6139385), (65, 4911508), (70, 4560686), (91, 3508220), (130, 2455754), (140, 2280343), (182, 1754110), (260, 1227877), (364, 877055), (455, 701644), (910, 350822), (1820, 175411)]