212129780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{6199}}^1$

素因数の和:6296

約数の個数: 48

約数和(自身を含む): 468720000

約数和(自身を除く): 256590220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 580, 590, 1180, 1711, 3422, 6199, 6844, 8555, 12398, 17110, 24796, 30995, 34220, 61990, 123980, 179771, 359542, 365741, 719084, 731482, 898855, 1462964, 1797710, 1828705, 3595420, 3657410, 7314820, 10606489, 21212978, 42425956, 53032445, 106064890, 212129780]

約数ペア:

[(1, 212129780), (2, 106064890), (4, 53032445), (5, 42425956), (10, 21212978), (20, 10606489), (29, 7314820), (58, 3657410), (59, 3595420), (116, 1828705), (118, 1797710), (145, 1462964), (236, 898855), (290, 731482), (295, 719084), (580, 365741), (590, 359542), (1180, 179771), (1711, 123980), (3422, 61990), (6199, 34220), (6844, 30995), (8555, 24796), (12398, 17110)]