404288380

素因数分解:

$2^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{18427}}^1$

素因数の和:19533

約数の個数: 24

約数和(自身を含む): 849825648

約数和(自身を除く): 445537268

約数列:

[1, 2, 4, 5, 10, 20, 1097, 2194, 4388, 5485, 10970, 18427, 21940, 36854, 73708, 92135, 184270, 368540, 20214419, 40428838, 80857676, 101072095, 202144190, 404288380]

約数ペア:

[(1, 404288380), (2, 202144190), (4, 101072095), (5, 80857676), (10, 40428838), (20, 20214419), (1097, 368540), (2194, 184270), (4388, 92135), (5485, 73708), (10970, 36854), (18427, 21940)]