153580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1097}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 368928

約数和(自身を除く): 215348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1097, 2194, 4388, 5485, 7679, 10970, 15358, 21940, 30716, 38395, 76790, 153580]

約数ペア:

[(1, 153580), (2, 76790), (4, 38395), (5, 30716), (7, 21940), (10, 15358), (14, 10970), (20, 7679), (28, 5485), (35, 4388), (70, 2194), (140, 1097)]