218854540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1709}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 485503200

約数和(自身を除く): 266648660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 337, 380, 674, 1348, 1685, 1709, 3370, 3418, 6403, 6740, 6836, 8545, 12806, 17090, 25612, 32015, 32471, 34180, 64030, 64942, 128060, 129884, 162355, 324710, 575933, 649420, 1151866, 2303732, 2879665, 5759330, 10942727, 11518660, 21885454, 43770908, 54713635, 109427270, 218854540]

約数ペア:

[(1, 218854540), (2, 109427270), (4, 54713635), (5, 43770908), (10, 21885454), (19, 11518660), (20, 10942727), (38, 5759330), (76, 2879665), (95, 2303732), (190, 1151866), (337, 649420), (380, 575933), (674, 324710), (1348, 162355), (1685, 129884), (1709, 128060), (3370, 64942), (3418, 64030), (6403, 34180), (6740, 32471), (6836, 32015), (8545, 25612), (12806, 17090)]