202172720

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{18181}}^1$

素因数の和:18333

約数の個数: 40

約数和(自身を含む): 473459280

約数和(自身を除く): 271286560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 18181, 36362, 72724, 90905, 145448, 181810, 290896, 363620, 727240, 1454480, 2527159, 5054318, 10108636, 12635795, 20217272, 25271590, 40434544, 50543180, 101086360, 202172720]

約数ペア:

[(1, 202172720), (2, 101086360), (4, 50543180), (5, 40434544), (8, 25271590), (10, 20217272), (16, 12635795), (20, 10108636), (40, 5054318), (80, 2527159), (139, 1454480), (278, 727240), (556, 363620), (695, 290896), (1112, 181810), (1390, 145448), (2224, 90905), (2780, 72724), (5560, 36362), (11120, 18181)]