199729400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{76819}}^1$

素因数の和:76848

約数の個数: 48

約数和(自身を含む): 500098200

約数和(自身を除く): 300368800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 76819, 153638, 307276, 384095, 614552, 768190, 998647, 1536380, 1920475, 1997294, 3072760, 3840950, 3994588, 4993235, 7681900, 7989176, 9986470, 15363800, 19972940, 24966175, 39945880, 49932350, 99864700, 199729400]

約数ペア:

[(1, 199729400), (2, 99864700), (4, 49932350), (5, 39945880), (8, 24966175), (10, 19972940), (13, 15363800), (20, 9986470), (25, 7989176), (26, 7681900), (40, 4993235), (50, 3994588), (52, 3840950), (65, 3072760), (100, 1997294), (104, 1920475), (130, 1536380), (200, 998647), (260, 768190), (325, 614552), (520, 384095), (650, 307276), (1300, 153638), (2600, 76819)]