408023900

素因数分解:

$2^2\times 5^2\times {\mathrm{4080239}}^1$

素因数の和:4080253

約数の個数: 18

約数和(自身を含む): 885412080

約数和(自身を除く): 477388180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 4080239, 8160478, 16320956, 20401195, 40802390, 81604780, 102005975, 204011950, 408023900]

約数ペア:

[(1, 408023900), (2, 204011950), (4, 102005975), (5, 81604780), (10, 40802390), (20, 20401195), (25, 16320956), (50, 8160478), (100, 4080239)]