28193060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{727}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 68001024

約数和(自身を除く): 39807964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 727, 1108, 1385, 1454, 1939, 2770, 2908, 3635, 3878, 5089, 5540, 7270, 7756, 9695, 10178, 14540, 19390, 20356, 25445, 38780, 50890, 101780, 201379, 402758, 805516, 1006895, 1409653, 2013790, 2819306, 4027580, 5638612, 7048265, 14096530, 28193060]

約数ペア:

[(1, 28193060), (2, 14096530), (4, 7048265), (5, 5638612), (7, 4027580), (10, 2819306), (14, 2013790), (20, 1409653), (28, 1006895), (35, 805516), (70, 402758), (140, 201379), (277, 101780), (554, 50890), (727, 38780), (1108, 25445), (1385, 20356), (1454, 19390), (1939, 14540), (2770, 10178), (2908, 9695), (3635, 7756), (3878, 7270), (5089, 5540)]