387260900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{297893}}^1$

素因数の和:297920

約数の個数: 36

約数和(自身を含む): 905001972

約数和(自身を除く): 517741072

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 297893, 595786, 1191572, 1489465, 2978930, 3872609, 5957860, 7447325, 7745218, 14894650, 15490436, 19363045, 29789300, 38726090, 77452180, 96815225, 193630450, 387260900]

約数ペア:

[(1, 387260900), (2, 193630450), (4, 96815225), (5, 77452180), (10, 38726090), (13, 29789300), (20, 19363045), (25, 15490436), (26, 14894650), (50, 7745218), (52, 7447325), (65, 5957860), (100, 3872609), (130, 2978930), (260, 1489465), (325, 1191572), (650, 595786), (1300, 297893)]