218948900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 488484360

約数和(自身を除く): 269535460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 89, 100, 146, 178, 292, 337, 356, 365, 445, 674, 730, 890, 1348, 1460, 1685, 1780, 1825, 2225, 3370, 3650, 4450, 6497, 6740, 7300, 8425, 8900, 12994, 16850, 24601, 25988, 29993, 32485, 33700, 49202, 59986, 64970, 98404, 119972, 123005, 129940, 149965, 162425, 246010, 299930, 324850, 492020, 599860, 615025, 649700, 749825, 1230050, 1499650, 2189489, 2460100, 2999300, 4378978, 8757956, 10947445, 21894890, 43789780, 54737225, 109474450, 218948900]

約数ペア:

[(1, 218948900), (2, 109474450), (4, 54737225), (5, 43789780), (10, 21894890), (20, 10947445), (25, 8757956), (50, 4378978), (73, 2999300), (89, 2460100), (100, 2189489), (146, 1499650), (178, 1230050), (292, 749825), (337, 649700), (356, 615025), (365, 599860), (445, 492020), (674, 324850), (730, 299930), (890, 246010), (1348, 162425), (1460, 149965), (1685, 129940), (1780, 123005), (1825, 119972), (2225, 98404), (3370, 64970), (3650, 59986), (4450, 49202), (6497, 33700), (6740, 32485), (7300, 29993), (8425, 25988), (8900, 24601), (12994, 16850)]