210399530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{4357}}^1$

素因数の和:4814

約数の個数: 32

約数和(自身を含む): 414184320

約数和(自身を除く): 203784790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 439, 878, 2195, 4357, 4390, 4829, 8714, 9658, 21785, 24145, 43570, 47927, 48290, 95854, 239635, 479270, 1912723, 3825446, 9563615, 19127230, 21039953, 42079906, 105199765, 210399530]

約数ペア:

[(1, 210399530), (2, 105199765), (5, 42079906), (10, 21039953), (11, 19127230), (22, 9563615), (55, 3825446), (110, 1912723), (439, 479270), (878, 239635), (2195, 95854), (4357, 48290), (4390, 47927), (4829, 43570), (8714, 24145), (9658, 21785)]