30405605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 41420160

約数和(自身を除く): 11014555

約数列:

[1, 5, 17, 19, 67, 85, 95, 281, 323, 335, 1139, 1273, 1405, 1615, 4777, 5339, 5695, 6365, 18827, 21641, 23885, 26695, 90763, 94135, 108205, 320059, 357713, 453815, 1600295, 1788565, 6081121, 30405605]

約数ペア:

[(1, 30405605), (5, 6081121), (17, 1788565), (19, 1600295), (67, 453815), (85, 357713), (95, 320059), (281, 108205), (323, 94135), (335, 90763), (1139, 26695), (1273, 23885), (1405, 21641), (1615, 18827), (4777, 6365), (5339, 5695)]