248673820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{643}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 533278368

約数和(自身を除く): 284604548

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 317, 610, 634, 643, 1220, 1268, 1286, 1585, 2572, 3170, 3215, 6340, 6430, 12860, 19337, 38674, 39223, 77348, 78446, 96685, 156892, 193370, 196115, 203831, 386740, 392230, 407662, 784460, 815324, 1019155, 2038310, 4076620, 12433691, 24867382, 49734764, 62168455, 124336910, 248673820]

約数ペア:

[(1, 248673820), (2, 124336910), (4, 62168455), (5, 49734764), (10, 24867382), (20, 12433691), (61, 4076620), (122, 2038310), (244, 1019155), (305, 815324), (317, 784460), (610, 407662), (634, 392230), (643, 386740), (1220, 203831), (1268, 196115), (1286, 193370), (1585, 156892), (2572, 96685), (3170, 78446), (3215, 77348), (6340, 39223), (6430, 38674), (12860, 19337)]