27497260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 66394944

約数和(自身を除く): 38897684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 997, 1379, 1970, 1994, 2758, 3940, 3988, 4985, 5516, 6895, 6979, 9970, 13790, 13958, 19940, 27580, 27916, 34895, 69790, 139580, 196409, 392818, 785636, 982045, 1374863, 1964090, 2749726, 3928180, 5499452, 6874315, 13748630, 27497260]

約数ペア:

[(1, 27497260), (2, 13748630), (4, 6874315), (5, 5499452), (7, 3928180), (10, 2749726), (14, 1964090), (20, 1374863), (28, 982045), (35, 785636), (70, 392818), (140, 196409), (197, 139580), (394, 69790), (788, 34895), (985, 27916), (997, 27580), (1379, 19940), (1970, 13958), (1994, 13790), (2758, 9970), (3940, 6979), (3988, 6895), (4985, 5516)]