200506420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2\times {\mathrm{83}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 444429216

約数和(自身を除く): 243922796

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 83, 86, 106, 166, 172, 212, 215, 265, 332, 415, 430, 530, 830, 860, 1060, 1660, 2279, 2809, 3569, 4399, 4558, 5618, 7138, 8798, 9116, 11236, 11395, 14045, 14276, 17596, 17845, 21995, 22790, 28090, 35690, 43990, 45580, 56180, 71380, 87980, 120787, 189157, 233147, 241574, 378314, 466294, 483148, 603935, 756628, 932588, 945785, 1165735, 1207870, 1891570, 2331470, 2415740, 3783140, 4662940, 10025321, 20050642, 40101284, 50126605, 100253210, 200506420]

約数ペア:

[(1, 200506420), (2, 100253210), (4, 50126605), (5, 40101284), (10, 20050642), (20, 10025321), (43, 4662940), (53, 3783140), (83, 2415740), (86, 2331470), (106, 1891570), (166, 1207870), (172, 1165735), (212, 945785), (215, 932588), (265, 756628), (332, 603935), (415, 483148), (430, 466294), (530, 378314), (830, 241574), (860, 233147), (1060, 189157), (1660, 120787), (2279, 87980), (2809, 71380), (3569, 56180), (4399, 45580), (4558, 43990), (5618, 35690), (7138, 28090), (8798, 22790), (9116, 21995), (11236, 17845), (11395, 17596), (14045, 14276)]