200280920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{715289}}^1$

素因数の和:715307

約数の個数: 32

約数和(自身を含む): 515008800

約数和(自身を除く): 314727880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 715289, 1430578, 2861156, 3576445, 5007023, 5722312, 7152890, 10014046, 14305780, 20028092, 25035115, 28611560, 40056184, 50070230, 100140460, 200280920]

約数ペア:

[(1, 200280920), (2, 100140460), (4, 50070230), (5, 40056184), (7, 28611560), (8, 25035115), (10, 20028092), (14, 14305780), (20, 10014046), (28, 7152890), (35, 5722312), (40, 5007023), (56, 3576445), (70, 2861156), (140, 1430578), (280, 715289)]