2103380

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 4445280

約数和(自身を除く): 2341900

約数列:

[1, 2, 4, 5, 10, 20, 251, 419, 502, 838, 1004, 1255, 1676, 2095, 2510, 4190, 5020, 8380, 105169, 210338, 420676, 525845, 1051690, 2103380]

約数ペア:

[(1, 2103380), (2, 1051690), (4, 525845), (5, 420676), (10, 210338), (20, 105169), (251, 8380), (419, 5020), (502, 4190), (838, 2510), (1004, 2095), (1255, 1676)]