211976540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{919}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 469862400

約数和(自身を除く): 257885860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 607, 919, 1214, 1838, 2428, 3035, 3676, 4595, 6070, 9190, 11533, 12140, 17461, 18380, 23066, 34922, 46132, 57665, 69844, 87305, 115330, 174610, 230660, 349220, 557833, 1115666, 2231332, 2789165, 5578330, 10598827, 11156660, 21197654, 42395308, 52994135, 105988270, 211976540]

約数ペア:

[(1, 211976540), (2, 105988270), (4, 52994135), (5, 42395308), (10, 21197654), (19, 11156660), (20, 10598827), (38, 5578330), (76, 2789165), (95, 2231332), (190, 1115666), (380, 557833), (607, 349220), (919, 230660), (1214, 174610), (1838, 115330), (2428, 87305), (3035, 69844), (3676, 57665), (4595, 46132), (6070, 34922), (9190, 23066), (11533, 18380), (12140, 17461)]