431605130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{19717}}^1$

素因数の和:19934

約数の個数: 32

約数和(自身を含む): 851817600

約数和(自身を除く): 420212470

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 19717, 21890, 39434, 98585, 197170, 216887, 433774, 1084435, 2168870, 3923683, 7847366, 19618415, 39236830, 43160513, 86321026, 215802565, 431605130]

約数ペア:

[(1, 431605130), (2, 215802565), (5, 86321026), (10, 43160513), (11, 39236830), (22, 19618415), (55, 7847366), (110, 3923683), (199, 2168870), (398, 1084435), (995, 433774), (1990, 216887), (2189, 197170), (4378, 98585), (10945, 39434), (19717, 21890)]