219662380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{2213}}^1$

素因数の和:2938

約数の個数: 48

約数和(自身を含む): 528171840

約数和(自身を除く): 308509460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709, 1418, 2213, 2836, 3545, 4426, 4963, 7090, 8852, 9926, 11065, 14180, 15491, 19852, 22130, 24815, 30982, 44260, 49630, 61964, 77455, 99260, 154910, 309820, 1569017, 3138034, 6276068, 7845085, 10983119, 15690170, 21966238, 31380340, 43932476, 54915595, 109831190, 219662380]

約数ペア:

[(1, 219662380), (2, 109831190), (4, 54915595), (5, 43932476), (7, 31380340), (10, 21966238), (14, 15690170), (20, 10983119), (28, 7845085), (35, 6276068), (70, 3138034), (140, 1569017), (709, 309820), (1418, 154910), (2213, 99260), (2836, 77455), (3545, 61964), (4426, 49630), (4963, 44260), (7090, 30982), (8852, 24815), (9926, 22130), (11065, 19852), (14180, 15491)]