204620975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2604

約数の個数: 36

約数和(自身を含む): 289323000

約数和(自身を除く): 84702025

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 247, 325, 475, 845, 1235, 2549, 3211, 4225, 6175, 12745, 16055, 33137, 48431, 63725, 80275, 165685, 242155, 430781, 629603, 828425, 1210775, 2153905, 3148015, 8184839, 10769525, 15740075, 40924195, 204620975]

約数ペア:

[(1, 204620975), (5, 40924195), (13, 15740075), (19, 10769525), (25, 8184839), (65, 3148015), (95, 2153905), (169, 1210775), (247, 828425), (325, 629603), (475, 430781), (845, 242155), (1235, 165685), (2549, 80275), (3211, 63725), (4225, 48431), (6175, 33137), (12745, 16055)]