28931800

素因数分解:

$2^3\times 5^2\times {\mathrm{144659}}^1$

素因数の和:144675

約数の個数: 24

約数和(自身を含む): 67266900

約数和(自身を除く): 38335100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 144659, 289318, 578636, 723295, 1157272, 1446590, 2893180, 3616475, 5786360, 7232950, 14465900, 28931800]

約数ペア:

[(1, 28931800), (2, 14465900), (4, 7232950), (5, 5786360), (8, 3616475), (10, 2893180), (20, 1446590), (25, 1157272), (40, 723295), (50, 578636), (100, 289318), (200, 144659)]