258807070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{3539}}^1$

素因数の和:3720

約数の個数: 32

約数和(自身を含む): 477135360

約数和(自身を除く): 218328290

約数列:

[1, 2, 5, 10, 71, 103, 142, 206, 355, 515, 710, 1030, 3539, 7078, 7313, 14626, 17695, 35390, 36565, 73130, 251269, 364517, 502538, 729034, 1256345, 1822585, 2512690, 3645170, 25880707, 51761414, 129403535, 258807070]

約数ペア:

[(1, 258807070), (2, 129403535), (5, 51761414), (10, 25880707), (71, 3645170), (103, 2512690), (142, 1822585), (206, 1256345), (355, 729034), (515, 502538), (710, 364517), (1030, 251269), (3539, 73130), (7078, 36565), (7313, 35390), (14626, 17695)]