72389390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{1093}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 134693280

約数和(自身を除く): 62303890

約数列:

[1, 2, 5, 10, 37, 74, 179, 185, 358, 370, 895, 1093, 1790, 2186, 5465, 6623, 10930, 13246, 33115, 40441, 66230, 80882, 195647, 202205, 391294, 404410, 978235, 1956470, 7238939, 14477878, 36194695, 72389390]

約数ペア:

[(1, 72389390), (2, 36194695), (5, 14477878), (10, 7238939), (37, 1956470), (74, 978235), (179, 404410), (185, 391294), (358, 202205), (370, 195647), (895, 80882), (1093, 66230), (1790, 40441), (2186, 33115), (5465, 13246), (6623, 10930)]