203210920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461843}}^1$

素因数の和:461865

約数の個数: 32

約数和(自身を含む): 498791520

約数和(自身を除く): 295580600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 461843, 923686, 1847372, 2309215, 3694744, 4618430, 5080273, 9236860, 10160546, 18473720, 20321092, 25401365, 40642184, 50802730, 101605460, 203210920]

約数ペア:

[(1, 203210920), (2, 101605460), (4, 50802730), (5, 40642184), (8, 25401365), (10, 20321092), (11, 18473720), (20, 10160546), (22, 9236860), (40, 5080273), (44, 4618430), (55, 3694744), (88, 2309215), (110, 1847372), (220, 923686), (440, 461843)]