254782020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223493}}^1$

素因数の和:223524

約数の個数: 48

約数和(自身を含む): 750939840

約数和(自身を除く): 496157820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 223493, 446986, 670479, 893972, 1117465, 1340958, 2234930, 2681916, 3352395, 4246367, 4469860, 6704790, 8492734, 12739101, 13409580, 16985468, 21231835, 25478202, 42463670, 50956404, 63695505, 84927340, 127391010, 254782020]

約数ペア:

[(1, 254782020), (2, 127391010), (3, 84927340), (4, 63695505), (5, 50956404), (6, 42463670), (10, 25478202), (12, 21231835), (15, 16985468), (19, 13409580), (20, 12739101), (30, 8492734), (38, 6704790), (57, 4469860), (60, 4246367), (76, 3352395), (95, 2681916), (114, 2234930), (190, 1340958), (228, 1117465), (285, 893972), (380, 670479), (570, 446986), (1140, 223493)]