2828582020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{64609}}^1$

素因数の和:64828

約数の個数: 48

約数和(自身を含む): 6512688000

約数和(自身を除く): 3684105980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3980, 4378, 8756, 10945, 21890, 43780, 64609, 129218, 258436, 323045, 646090, 710699, 1292180, 1421398, 2842796, 3553495, 7106990, 12857191, 14213980, 25714382, 51428764, 64285955, 128571910, 141429101, 257143820, 282858202, 565716404, 707145505, 1414291010, 2828582020]

約数ペア:

[(1, 2828582020), (2, 1414291010), (4, 707145505), (5, 565716404), (10, 282858202), (11, 257143820), (20, 141429101), (22, 128571910), (44, 64285955), (55, 51428764), (110, 25714382), (199, 14213980), (220, 12857191), (398, 7106990), (796, 3553495), (995, 2842796), (1990, 1421398), (2189, 1292180), (3980, 710699), (4378, 646090), (8756, 323045), (10945, 258436), (21890, 129218), (43780, 64609)]