848732540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1\times {\mathrm{1091}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 1806858144

約数和(自身を除く): 958125604

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 401, 485, 802, 970, 1091, 1604, 1940, 2005, 2182, 4010, 4364, 5455, 8020, 10910, 21820, 38897, 77794, 105827, 155588, 194485, 211654, 388970, 423308, 437491, 529135, 777940, 874982, 1058270, 1749964, 2116540, 2187455, 4374910, 8749820, 42436627, 84873254, 169746508, 212183135, 424366270, 848732540]

約数ペア:

[(1, 848732540), (2, 424366270), (4, 212183135), (5, 169746508), (10, 84873254), (20, 42436627), (97, 8749820), (194, 4374910), (388, 2187455), (401, 2116540), (485, 1749964), (802, 1058270), (970, 874982), (1091, 777940), (1604, 529135), (1940, 437491), (2005, 423308), (2182, 388970), (4010, 211654), (4364, 194485), (5455, 155588), (8020, 105827), (10910, 77794), (21820, 38897)]