768220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 1639008

約数和(自身を除く): 870788

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 541, 710, 1082, 1420, 2164, 2705, 5410, 10820, 38411, 76822, 153644, 192055, 384110, 768220]

約数ペア:

[(1, 768220), (2, 384110), (4, 192055), (5, 153644), (10, 76822), (20, 38411), (71, 10820), (142, 5410), (284, 2705), (355, 2164), (541, 1420), (710, 1082)]