388134320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{693097}}^1$

素因数の和:693117

約数の個数: 40

約数和(自身を含む): 1031329824

約数和(自身を除く): 643195504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 693097, 1386194, 2772388, 3465485, 4851679, 5544776, 6930970, 9703358, 11089552, 13861940, 19406716, 24258395, 27723880, 38813432, 48516790, 55447760, 77626864, 97033580, 194067160, 388134320]

約数ペア:

[(1, 388134320), (2, 194067160), (4, 97033580), (5, 77626864), (7, 55447760), (8, 48516790), (10, 38813432), (14, 27723880), (16, 24258395), (20, 19406716), (28, 13861940), (35, 11089552), (40, 9703358), (56, 6930970), (70, 5544776), (80, 4851679), (112, 3465485), (140, 2772388), (280, 1386194), (560, 693097)]