218368820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{1097}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 473150160

約数和(自身を除く): 254781340

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 269, 370, 538, 740, 1076, 1097, 1345, 2194, 2690, 4388, 5380, 5485, 9953, 10970, 19906, 21940, 39812, 40589, 49765, 81178, 99530, 162356, 199060, 202945, 295093, 405890, 590186, 811780, 1180372, 1475465, 2950930, 5901860, 10918441, 21836882, 43673764, 54592205, 109184410, 218368820]

約数ペア:

[(1, 218368820), (2, 109184410), (4, 54592205), (5, 43673764), (10, 21836882), (20, 10918441), (37, 5901860), (74, 2950930), (148, 1475465), (185, 1180372), (269, 811780), (370, 590186), (538, 405890), (740, 295093), (1076, 202945), (1097, 199060), (1345, 162356), (2194, 99530), (2690, 81178), (4388, 49765), (5380, 40589), (5485, 39812), (9953, 21940), (10970, 19906)]