121790140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{209983}}^1$

素因数の和:210021

約数の個数: 24

約数和(自身を含む): 264579840

約数和(自身を除く): 142789700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 209983, 419966, 839932, 1049915, 2099830, 4199660, 6089507, 12179014, 24358028, 30447535, 60895070, 121790140]

約数ペア:

[(1, 121790140), (2, 60895070), (4, 30447535), (5, 24358028), (10, 12179014), (20, 6089507), (29, 4199660), (58, 2099830), (116, 1049915), (145, 839932), (290, 419966), (580, 209983)]