205508711480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10631}}^1\times {\mathrm{11239}}^1$

素因数の和:21924

約数の個数: 64

約数和(自身を含む): 473234572800

約数和(自身を除く): 267725861320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 10631, 11239, 21262, 22478, 42524, 44956, 53155, 56195, 85048, 89912, 106310, 112390, 212620, 224780, 425240, 449560, 457133, 483277, 914266, 966554, 1828532, 1933108, 2285665, 2416385, 3657064, 3866216, 4571330, 4832770, 9142660, 9665540, 18285320, 19331080, 119481809, 238963618, 477927236, 597409045, 955854472, 1194818090, 2389636180, 4779272360, 5137717787, 10275435574, 20550871148, 25688588935, 41101742296, 51377177870, 102754355740, 205508711480]

約数ペア:

[(1, 205508711480), (2, 102754355740), (4, 51377177870), (5, 41101742296), (8, 25688588935), (10, 20550871148), (20, 10275435574), (40, 5137717787), (43, 4779272360), (86, 2389636180), (172, 1194818090), (215, 955854472), (344, 597409045), (430, 477927236), (860, 238963618), (1720, 119481809), (10631, 19331080), (11239, 18285320), (21262, 9665540), (22478, 9142660), (42524, 4832770), (44956, 4571330), (53155, 3866216), (56195, 3657064), (85048, 2416385), (89912, 2285665), (106310, 1933108), (112390, 1828532), (212620, 966554), (224780, 914266), (425240, 483277), (449560, 457133)]