4889080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 13248000

約数和(自身を除く): 8358920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 919, 1064, 1330, 1838, 2660, 3676, 4595, 5320, 6433, 7352, 9190, 12866, 17461, 18380, 25732, 32165, 34922, 36760, 51464, 64330, 69844, 87305, 122227, 128660, 139688, 174610, 244454, 257320, 349220, 488908, 611135, 698440, 977816, 1222270, 2444540, 4889080]

約数ペア:

[(1, 4889080), (2, 2444540), (4, 1222270), (5, 977816), (7, 698440), (8, 611135), (10, 488908), (14, 349220), (19, 257320), (20, 244454), (28, 174610), (35, 139688), (38, 128660), (40, 122227), (56, 87305), (70, 69844), (76, 64330), (95, 51464), (133, 36760), (140, 34922), (152, 32165), (190, 25732), (266, 18380), (280, 17461), (380, 12866), (532, 9190), (665, 7352), (760, 6433), (919, 5320), (1064, 4595), (1330, 3676), (1838, 2660)]