198668890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{4003}}^1$

素因数の和:4726

約数の個数: 32

約数和(自身を含む): 409368960

約数和(自身を除く): 210700070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 709, 1418, 3545, 4003, 4963, 7090, 8006, 9926, 20015, 24815, 28021, 40030, 49630, 56042, 140105, 280210, 2838127, 5676254, 14190635, 19866889, 28381270, 39733778, 99334445, 198668890]

約数ペア:

[(1, 198668890), (2, 99334445), (5, 39733778), (7, 28381270), (10, 19866889), (14, 14190635), (35, 5676254), (70, 2838127), (709, 280210), (1418, 140105), (3545, 56042), (4003, 49630), (4963, 40030), (7090, 28021), (8006, 24815), (9926, 20015)]