212360820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1201}}^1$

素因数の和:1641

約数の個数: 96

約数和(自身を含む): 681735936

約数和(自身を除く): 469375116

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, 210, 420, 421, 842, 1201, 1263, 1684, 2105, 2402, 2526, 2947, 3603, 4210, 4804, 5052, 5894, 6005, 6315, 7206, 8407, 8420, 8841, 11788, 12010, 12630, 14412, 14735, 16814, 17682, 18015, 24020, 25221, 25260, 29470, 33628, 35364, 36030, 42035, 44205, 50442, 58940, 72060, 84070, 88410, 100884, 126105, 168140, 176820, 252210, 504420, 505621, 1011242, 1516863, 2022484, 2528105, 3033726, 3539347, 5056210, 6067452, 7078694, 7584315, 10112420, 10618041, 14157388, 15168630, 17696735, 21236082, 30337260, 35393470, 42472164, 53090205, 70786940, 106180410, 212360820]

約数ペア:

[(1, 212360820), (2, 106180410), (3, 70786940), (4, 53090205), (5, 42472164), (6, 35393470), (7, 30337260), (10, 21236082), (12, 17696735), (14, 15168630), (15, 14157388), (20, 10618041), (21, 10112420), (28, 7584315), (30, 7078694), (35, 6067452), (42, 5056210), (60, 3539347), (70, 3033726), (84, 2528105), (105, 2022484), (140, 1516863), (210, 1011242), (420, 505621), (421, 504420), (842, 252210), (1201, 176820), (1263, 168140), (1684, 126105), (2105, 100884), (2402, 88410), (2526, 84070), (2947, 72060), (3603, 58940), (4210, 50442), (4804, 44205), (5052, 42035), (5894, 36030), (6005, 35364), (6315, 33628), (7206, 29470), (8407, 25260), (8420, 25221), (8841, 24020), (11788, 18015), (12010, 17682), (12630, 16814), (14412, 14735)]