219029540

素因数分解:

$2^2\times 5^1\times {\mathrm{2729}}^1\times {\mathrm{4013}}^1$

素因数の和:6751

約数の個数: 24

約数和(自身を含む): 460245240

約数和(自身を除く): 241215700

約数列:

[1, 2, 4, 5, 10, 20, 2729, 4013, 5458, 8026, 10916, 13645, 16052, 20065, 27290, 40130, 54580, 80260, 10951477, 21902954, 43805908, 54757385, 109514770, 219029540]

約数ペア:

[(1, 219029540), (2, 109514770), (4, 54757385), (5, 43805908), (10, 21902954), (20, 10951477), (2729, 80260), (4013, 54580), (5458, 40130), (8026, 27290), (10916, 20065), (13645, 16052)]