420712720

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{23167}}^1$

素因数の和:23407

約数の個数: 40

約数和(自身を含む): 982508544

約数和(自身を除く): 561795824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 3632, 4540, 9080, 18160, 23167, 46334, 92668, 115835, 185336, 231670, 370672, 463340, 926680, 1853360, 5258909, 10517818, 21035636, 26294545, 42071272, 52589090, 84142544, 105178180, 210356360, 420712720]

約数ペア:

[(1, 420712720), (2, 210356360), (4, 105178180), (5, 84142544), (8, 52589090), (10, 42071272), (16, 26294545), (20, 21035636), (40, 10517818), (80, 5258909), (227, 1853360), (454, 926680), (908, 463340), (1135, 370672), (1816, 231670), (2270, 185336), (3632, 115835), (4540, 92668), (9080, 46334), (18160, 23167)]