217350380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19441}}^1$

素因数の和:19506

約数の個数: 48

約数和(自身を含む): 503003424

約数和(自身を除く): 285653044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 19441, 38882, 77764, 97205, 194410, 252733, 388820, 505466, 835963, 1010932, 1263665, 1671926, 2527330, 3343852, 4179815, 5054660, 8359630, 10867519, 16719260, 21735038, 43470076, 54337595, 108675190, 217350380]

約数ペア:

[(1, 217350380), (2, 108675190), (4, 54337595), (5, 43470076), (10, 21735038), (13, 16719260), (20, 10867519), (26, 8359630), (43, 5054660), (52, 4179815), (65, 3343852), (86, 2527330), (130, 1671926), (172, 1263665), (215, 1010932), (260, 835963), (430, 505466), (559, 388820), (860, 252733), (1118, 194410), (2236, 97205), (2795, 77764), (5590, 38882), (11180, 19441)]