208536580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{13921}}^1$

素因数の和:14044

約数の個数: 48

約数和(自身を含む): 505201536

約数和(自身を除く): 296664956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 13921, 14980, 27842, 55684, 69605, 97447, 139210, 194894, 278420, 389788, 487235, 974470, 1489547, 1948940, 2979094, 5958188, 7447735, 10426829, 14895470, 20853658, 29790940, 41707316, 52134145, 104268290, 208536580]

約数ペア:

[(1, 208536580), (2, 104268290), (4, 52134145), (5, 41707316), (7, 29790940), (10, 20853658), (14, 14895470), (20, 10426829), (28, 7447735), (35, 5958188), (70, 2979094), (107, 1948940), (140, 1489547), (214, 974470), (428, 487235), (535, 389788), (749, 278420), (1070, 194894), (1498, 139210), (2140, 97447), (2996, 69605), (3745, 55684), (7490, 27842), (13921, 14980)]