217395800

素因数分解:

$2^3\times 5^2\times {\mathrm{263}}^1\times {\mathrm{4133}}^1$

素因数の和:4412

約数の個数: 48

約数和(自身を含む): 507489840

約数和(自身を除く): 290094040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 263, 526, 1052, 1315, 2104, 2630, 4133, 5260, 6575, 8266, 10520, 13150, 16532, 20665, 26300, 33064, 41330, 52600, 82660, 103325, 165320, 206650, 413300, 826600, 1086979, 2173958, 4347916, 5434895, 8695832, 10869790, 21739580, 27174475, 43479160, 54348950, 108697900, 217395800]

約数ペア:

[(1, 217395800), (2, 108697900), (4, 54348950), (5, 43479160), (8, 27174475), (10, 21739580), (20, 10869790), (25, 8695832), (40, 5434895), (50, 4347916), (100, 2173958), (200, 1086979), (263, 826600), (526, 413300), (1052, 206650), (1315, 165320), (2104, 103325), (2630, 82660), (4133, 52600), (5260, 41330), (6575, 33064), (8266, 26300), (10520, 20665), (13150, 16532)]