140037220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{919}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 310665600

約数和(自身を除く): 170628380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 401, 802, 919, 1604, 1838, 2005, 3676, 4010, 4595, 7619, 8020, 9190, 15238, 17461, 18380, 30476, 34922, 38095, 69844, 76190, 87305, 152380, 174610, 349220, 368519, 737038, 1474076, 1842595, 3685190, 7001861, 7370380, 14003722, 28007444, 35009305, 70018610, 140037220]

約数ペア:

[(1, 140037220), (2, 70018610), (4, 35009305), (5, 28007444), (10, 14003722), (19, 7370380), (20, 7001861), (38, 3685190), (76, 1842595), (95, 1474076), (190, 737038), (380, 368519), (401, 349220), (802, 174610), (919, 152380), (1604, 87305), (1838, 76190), (2005, 69844), (3676, 38095), (4010, 34922), (4595, 30476), (7619, 18380), (8020, 17461), (9190, 15238)]