1998904610

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{10499}}^1$

素因数の和:10826

約数の個数: 32

約数和(自身を含む): 3659040000

約数和(自身を除く): 1660135390

約数列:

[1, 2, 5, 10, 79, 158, 241, 395, 482, 790, 1205, 2410, 10499, 19039, 20998, 38078, 52495, 95195, 104990, 190390, 829421, 1658842, 2530259, 4147105, 5060518, 8294210, 12651295, 25302590, 199890461, 399780922, 999452305, 1998904610]

約数ペア:

[(1, 1998904610), (2, 999452305), (5, 399780922), (10, 199890461), (79, 25302590), (158, 12651295), (241, 8294210), (395, 5060518), (482, 4147105), (790, 2530259), (1205, 1658842), (2410, 829421), (10499, 190390), (19039, 104990), (20998, 95195), (38078, 52495)]