207922896860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1808969}}^1$

素因数の和:1809806

約数の個数: 48

約数和(自身を含む): 499623042240

約数和(自身を除く): 291700145380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 821, 1642, 3284, 4105, 5747, 8210, 11494, 16420, 22988, 28735, 57470, 114940, 1808969, 3617938, 7235876, 9044845, 12662783, 18089690, 25325566, 36179380, 50651132, 63313915, 126627830, 253255660, 1485163549, 2970327098, 5940654196, 7425817745, 10396144843, 14851635490, 20792289686, 29703270980, 41584579372, 51980724215, 103961448430, 207922896860]

約数ペア:

[(1, 207922896860), (2, 103961448430), (4, 51980724215), (5, 41584579372), (7, 29703270980), (10, 20792289686), (14, 14851635490), (20, 10396144843), (28, 7425817745), (35, 5940654196), (70, 2970327098), (140, 1485163549), (821, 253255660), (1642, 126627830), (3284, 63313915), (4105, 50651132), (5747, 36179380), (8210, 25325566), (11494, 18089690), (16420, 12662783), (22988, 9044845), (28735, 7235876), (57470, 3617938), (114940, 1808969)]