287621380

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{18701}}^1$

素因数の和:19479

約数の個数: 24

約数和(自身を含む): 604822680

約数和(自身を除く): 317201300

約数列:

[1, 2, 4, 5, 10, 20, 769, 1538, 3076, 3845, 7690, 15380, 18701, 37402, 74804, 93505, 187010, 374020, 14381069, 28762138, 57524276, 71905345, 143810690, 287621380]

約数ペア:

[(1, 287621380), (2, 143810690), (4, 71905345), (5, 57524276), (10, 28762138), (20, 14381069), (769, 374020), (1538, 187010), (3076, 93505), (3845, 74804), (7690, 37402), (15380, 18701)]