81211100

素因数分解:

$2^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{3019}}^1$

素因数の和:3302

約数の個数: 36

約数和(自身を含む): 176941800

約数和(自身を除く): 95730700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 269, 538, 1076, 1345, 2690, 3019, 5380, 6038, 6725, 12076, 13450, 15095, 26900, 30190, 60380, 75475, 150950, 301900, 812111, 1624222, 3248444, 4060555, 8121110, 16242220, 20302775, 40605550, 81211100]

約数ペア:

[(1, 81211100), (2, 40605550), (4, 20302775), (5, 16242220), (10, 8121110), (20, 4060555), (25, 3248444), (50, 1624222), (100, 812111), (269, 301900), (538, 150950), (1076, 75475), (1345, 60380), (2690, 30190), (3019, 26900), (5380, 15095), (6038, 13450), (6725, 12076)]