82491780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1213

約数の個数: 96

約数和(自身を含む): 265579776

約数和(自身を除く): 183087996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 197, 210, 394, 420, 591, 788, 985, 997, 1182, 1379, 1970, 1994, 2364, 2758, 2955, 2991, 3940, 3988, 4137, 4985, 5516, 5910, 5982, 6895, 6979, 8274, 9970, 11820, 11964, 13790, 13958, 14955, 16548, 19940, 20685, 20937, 27580, 27916, 29910, 34895, 41370, 41874, 59820, 69790, 82740, 83748, 104685, 139580, 196409, 209370, 392818, 418740, 589227, 785636, 982045, 1178454, 1374863, 1964090, 2356908, 2749726, 2946135, 3928180, 4124589, 5499452, 5892270, 6874315, 8249178, 11784540, 13748630, 16498356, 20622945, 27497260, 41245890, 82491780]

約数ペア:

[(1, 82491780), (2, 41245890), (3, 27497260), (4, 20622945), (5, 16498356), (6, 13748630), (7, 11784540), (10, 8249178), (12, 6874315), (14, 5892270), (15, 5499452), (20, 4124589), (21, 3928180), (28, 2946135), (30, 2749726), (35, 2356908), (42, 1964090), (60, 1374863), (70, 1178454), (84, 982045), (105, 785636), (140, 589227), (197, 418740), (210, 392818), (394, 209370), (420, 196409), (591, 139580), (788, 104685), (985, 83748), (997, 82740), (1182, 69790), (1379, 59820), (1970, 41874), (1994, 41370), (2364, 34895), (2758, 29910), (2955, 27916), (2991, 27580), (3940, 20937), (3988, 20685), (4137, 19940), (4985, 16548), (5516, 14955), (5910, 13958), (5982, 13790), (6895, 11964), (6979, 11820), (8274, 9970)]