13705580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 33116160

約数和(自身を除く): 19410580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 439, 446, 878, 892, 1115, 1561, 1756, 2195, 2230, 3073, 3122, 4390, 4460, 6146, 6244, 7805, 8780, 12292, 15365, 15610, 30730, 31220, 61460, 97897, 195794, 391588, 489485, 685279, 978970, 1370558, 1957940, 2741116, 3426395, 6852790, 13705580]

約数ペア:

[(1, 13705580), (2, 6852790), (4, 3426395), (5, 2741116), (7, 1957940), (10, 1370558), (14, 978970), (20, 685279), (28, 489485), (35, 391588), (70, 195794), (140, 97897), (223, 61460), (439, 31220), (446, 30730), (878, 15610), (892, 15365), (1115, 12292), (1561, 8780), (1756, 7805), (2195, 6244), (2230, 6146), (3073, 4460), (3122, 4390)]