12929900

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:794

約数の個数: 36

約数和(自身を含む): 28227360

約数和(自身を除く): 15297460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 541, 956, 1082, 1195, 2164, 2390, 2705, 4780, 5410, 5975, 10820, 11950, 13525, 23900, 27050, 54100, 129299, 258598, 517196, 646495, 1292990, 2585980, 3232475, 6464950, 12929900]

約数ペア:

[(1, 12929900), (2, 6464950), (4, 3232475), (5, 2585980), (10, 1292990), (20, 646495), (25, 517196), (50, 258598), (100, 129299), (239, 54100), (478, 27050), (541, 23900), (956, 13525), (1082, 11950), (1195, 10820), (2164, 5975), (2390, 5410), (2705, 4780)]