1420803400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{36061}}^1$

素因数の和:36274

約数の個数: 48

約数和(自身を含む): 3320228340

約数和(自身を除く): 1899424940

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1970, 3940, 4925, 7880, 9850, 19700, 36061, 39400, 72122, 144244, 180305, 288488, 360610, 721220, 901525, 1442440, 1803050, 3606100, 7104017, 7212200, 14208034, 28416068, 35520085, 56832136, 71040170, 142080340, 177600425, 284160680, 355200850, 710401700, 1420803400]

約数ペア:

[(1, 1420803400), (2, 710401700), (4, 355200850), (5, 284160680), (8, 177600425), (10, 142080340), (20, 71040170), (25, 56832136), (40, 35520085), (50, 28416068), (100, 14208034), (197, 7212200), (200, 7104017), (394, 3606100), (788, 1803050), (985, 1442440), (1576, 901525), (1970, 721220), (3940, 360610), (4925, 288488), (7880, 180305), (9850, 144244), (19700, 72122), (36061, 39400)]