1289440210

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{414611}}^1$

素因数の和:414929

約数の個数: 16

約数和(自身を含む): 2328460992

約数和(自身を除く): 1039020782

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 414611, 829222, 2073055, 4146110, 128944021, 257888042, 644720105, 1289440210]

約数ペア:

[(1, 1289440210), (2, 644720105), (5, 257888042), (10, 128944021), (311, 4146110), (622, 2073055), (1555, 829222), (3110, 414611)]