321542140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{554383}}^1$

素因数の和:554421

約数の個数: 24

約数和(自身を含む): 698523840

約数和(自身を除く): 376981700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 554383, 1108766, 2217532, 2771915, 5543830, 11087660, 16077107, 32154214, 64308428, 80385535, 160771070, 321542140]

約数ペア:

[(1, 321542140), (2, 160771070), (4, 80385535), (5, 64308428), (10, 32154214), (20, 16077107), (29, 11087660), (58, 5543830), (116, 2771915), (145, 2217532), (290, 1108766), (580, 554383)]