207781730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{569}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 411241320

約数和(自身を除く): 203459590

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 569, 689, 1138, 1378, 2809, 2845, 3445, 5618, 5690, 6890, 7397, 14045, 14794, 28090, 30157, 36517, 36985, 60314, 73034, 73970, 150785, 182585, 301570, 365170, 392041, 784082, 1598321, 1960205, 3196642, 3920410, 7991605, 15983210, 20778173, 41556346, 103890865, 207781730]

約数ペア:

[(1, 207781730), (2, 103890865), (5, 41556346), (10, 20778173), (13, 15983210), (26, 7991605), (53, 3920410), (65, 3196642), (106, 1960205), (130, 1598321), (265, 784082), (530, 392041), (569, 365170), (689, 301570), (1138, 182585), (1378, 150785), (2809, 73970), (2845, 73034), (3445, 60314), (5618, 36985), (5690, 36517), (6890, 30157), (7397, 28090), (14045, 14794)]