204323800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{14389}}^1$

素因数の和:14476

約数の個数: 48

約数和(自身を含む): 481777200

約数和(自身を除く): 277453400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 7100, 14200, 14389, 28778, 57556, 71945, 115112, 143890, 287780, 359725, 575560, 719450, 1021619, 1438900, 2043238, 2877800, 4086476, 5108095, 8172952, 10216190, 20432380, 25540475, 40864760, 51080950, 102161900, 204323800]

約数ペア:

[(1, 204323800), (2, 102161900), (4, 51080950), (5, 40864760), (8, 25540475), (10, 20432380), (20, 10216190), (25, 8172952), (40, 5108095), (50, 4086476), (71, 2877800), (100, 2043238), (142, 1438900), (200, 1021619), (284, 719450), (355, 575560), (568, 359725), (710, 287780), (1420, 143890), (1775, 115112), (2840, 71945), (3550, 57556), (7100, 28778), (14200, 14389)]