2012680180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{79427}}^1$

素因数の和:79624

約数の個数: 48

約数和(自身を含む): 4857181056

約数和(自身を除く): 2844500876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 6335, 12670, 25340, 79427, 158854, 317708, 397135, 555989, 794270, 1111978, 1588540, 2223956, 2779945, 5559890, 11119780, 14376287, 28752574, 57505148, 71881435, 100634009, 143762870, 201268018, 287525740, 402536036, 503170045, 1006340090, 2012680180]

約数ペア:

[(1, 2012680180), (2, 1006340090), (4, 503170045), (5, 402536036), (7, 287525740), (10, 201268018), (14, 143762870), (20, 100634009), (28, 71881435), (35, 57505148), (70, 28752574), (140, 14376287), (181, 11119780), (362, 5559890), (724, 2779945), (905, 2223956), (1267, 1588540), (1810, 1111978), (2534, 794270), (3620, 555989), (5068, 397135), (6335, 317708), (12670, 158854), (25340, 79427)]