221345900

素因数分解:

$2^2\times 5^2\times {\mathrm{479}}^1\times {\mathrm{4621}}^1$

素因数の和:5114

約数の個数: 36

約数和(自身を含む): 481427520

約数和(自身を除く): 260081620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 479, 958, 1916, 2395, 4621, 4790, 9242, 9580, 11975, 18484, 23105, 23950, 46210, 47900, 92420, 115525, 231050, 462100, 2213459, 4426918, 8853836, 11067295, 22134590, 44269180, 55336475, 110672950, 221345900]

約数ペア:

[(1, 221345900), (2, 110672950), (4, 55336475), (5, 44269180), (10, 22134590), (20, 11067295), (25, 8853836), (50, 4426918), (100, 2213459), (479, 462100), (958, 231050), (1916, 115525), (2395, 92420), (4621, 47900), (4790, 46210), (9242, 23950), (9580, 23105), (11975, 18484)]