205350340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{1063}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 465470208

約数和(自身を除く): 260119868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 743, 1063, 1486, 2126, 2972, 3715, 4252, 5315, 7430, 9659, 10630, 13819, 14860, 19318, 21260, 27638, 38636, 48295, 55276, 69095, 96590, 138190, 193180, 276380, 789809, 1579618, 3159236, 3949045, 7898090, 10267517, 15796180, 20535034, 41070068, 51337585, 102675170, 205350340]

約数ペア:

[(1, 205350340), (2, 102675170), (4, 51337585), (5, 41070068), (10, 20535034), (13, 15796180), (20, 10267517), (26, 7898090), (52, 3949045), (65, 3159236), (130, 1579618), (260, 789809), (743, 276380), (1063, 193180), (1486, 138190), (2126, 96590), (2972, 69095), (3715, 55276), (4252, 48295), (5315, 38636), (7430, 27638), (9659, 21260), (10630, 19318), (13819, 14860)]