200308420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{770417}}^1$

素因数の和:770439

約数の個数: 24

約数和(自身を含む): 453005784

約数和(自身を除く): 252697364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 770417, 1540834, 3081668, 3852085, 7704170, 10015421, 15408340, 20030842, 40061684, 50077105, 100154210, 200308420]

約数ペア:

[(1, 200308420), (2, 100154210), (4, 50077105), (5, 40061684), (10, 20030842), (13, 15408340), (20, 10015421), (26, 7704170), (52, 3852085), (65, 3081668), (130, 1540834), (260, 770417)]