218702900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{12941}}^1$

素因数の和:12981

約数の個数: 54

約数和(自身を含む): 513939762

約数和(自身を除く): 295236862

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1300, 1690, 3380, 4225, 8450, 12941, 16900, 25882, 51764, 64705, 129410, 168233, 258820, 323525, 336466, 647050, 672932, 841165, 1294100, 1682330, 2187029, 3364660, 4205825, 4374058, 8411650, 8748116, 10935145, 16823300, 21870290, 43740580, 54675725, 109351450, 218702900]

約数ペア:

[(1, 218702900), (2, 109351450), (4, 54675725), (5, 43740580), (10, 21870290), (13, 16823300), (20, 10935145), (25, 8748116), (26, 8411650), (50, 4374058), (52, 4205825), (65, 3364660), (100, 2187029), (130, 1682330), (169, 1294100), (260, 841165), (325, 672932), (338, 647050), (650, 336466), (676, 323525), (845, 258820), (1300, 168233), (1690, 129410), (3380, 64705), (4225, 51764), (8450, 25882), (12941, 16900)]