994334540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{1987}}^1$

素因数の和:2318

約数の個数: 48

約数和(自身を含む): 2116122624

約数和(自身を除く): 1121788084

約数列:

[1, 2, 4, 5, 10, 20, 131, 191, 262, 382, 524, 655, 764, 955, 1310, 1910, 1987, 2620, 3820, 3974, 7948, 9935, 19870, 25021, 39740, 50042, 100084, 125105, 250210, 260297, 379517, 500420, 520594, 759034, 1041188, 1301485, 1518068, 1897585, 2602970, 3795170, 5205940, 7590340, 49716727, 99433454, 198866908, 248583635, 497167270, 994334540]

約数ペア:

[(1, 994334540), (2, 497167270), (4, 248583635), (5, 198866908), (10, 99433454), (20, 49716727), (131, 7590340), (191, 5205940), (262, 3795170), (382, 2602970), (524, 1897585), (655, 1518068), (764, 1301485), (955, 1041188), (1310, 759034), (1910, 520594), (1987, 500420), (2620, 379517), (3820, 260297), (3974, 250210), (7948, 125105), (9935, 100084), (19870, 50042), (25021, 39740)]