398432825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{673}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 601747200

約数和(自身を除く): 203314375

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 199, 425, 595, 673, 995, 1393, 2975, 3365, 3383, 4711, 4975, 6965, 11441, 16825, 16915, 23555, 23681, 34825, 57205, 80087, 84575, 117775, 118405, 133927, 286025, 400435, 592025, 669635, 937489, 2002175, 2276759, 3348175, 4687445, 11383795, 15937313, 23437225, 56918975, 79686565, 398432825]

約数ペア:

[(1, 398432825), (5, 79686565), (7, 56918975), (17, 23437225), (25, 15937313), (35, 11383795), (85, 4687445), (119, 3348175), (175, 2276759), (199, 2002175), (425, 937489), (595, 669635), (673, 592025), (995, 400435), (1393, 286025), (2975, 133927), (3365, 118405), (3383, 117775), (4711, 84575), (4975, 80087), (6965, 57205), (11441, 34825), (16825, 23681), (16915, 23555)]