305889780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3697}}^1$

素因数の和:3913

約数の個数: 96

約数和(自身を含む): 984082176

約数和(自身を除く): 678192396

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, 1182, 1379, 1970, 2364, 2758, 2955, 3697, 3940, 4137, 5516, 5910, 6895, 7394, 8274, 11091, 11820, 13790, 14788, 16548, 18485, 20685, 22182, 25879, 27580, 36970, 41370, 44364, 51758, 55455, 73940, 77637, 82740, 103516, 110910, 129395, 155274, 221820, 258790, 310548, 388185, 517580, 728309, 776370, 1456618, 1552740, 2184927, 2913236, 3641545, 4369854, 5098163, 7283090, 8739708, 10196326, 10924635, 14566180, 15294489, 20392652, 21849270, 25490815, 30588978, 43698540, 50981630, 61177956, 76472445, 101963260, 152944890, 305889780]

約数ペア:

[(1, 305889780), (2, 152944890), (3, 101963260), (4, 76472445), (5, 61177956), (6, 50981630), (7, 43698540), (10, 30588978), (12, 25490815), (14, 21849270), (15, 20392652), (20, 15294489), (21, 14566180), (28, 10924635), (30, 10196326), (35, 8739708), (42, 7283090), (60, 5098163), (70, 4369854), (84, 3641545), (105, 2913236), (140, 2184927), (197, 1552740), (210, 1456618), (394, 776370), (420, 728309), (591, 517580), (788, 388185), (985, 310548), (1182, 258790), (1379, 221820), (1970, 155274), (2364, 129395), (2758, 110910), (2955, 103516), (3697, 82740), (3940, 77637), (4137, 73940), (5516, 55455), (5910, 51758), (6895, 44364), (7394, 41370), (8274, 36970), (11091, 27580), (11820, 25879), (13790, 22182), (14788, 20685), (16548, 18485)]