212275880

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{16741}}^1$

素因数の和:17069

約数の個数: 32

約数和(自身を含む): 479156040

約数和(自身を除く): 266880160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 16741, 33482, 66964, 83705, 133928, 167410, 334820, 669640, 5306897, 10613794, 21227588, 26534485, 42455176, 53068970, 106137940, 212275880]

約数ペア:

[(1, 212275880), (2, 106137940), (4, 53068970), (5, 42455176), (8, 26534485), (10, 21227588), (20, 10613794), (40, 5306897), (317, 669640), (634, 334820), (1268, 167410), (1585, 133928), (2536, 83705), (3170, 66964), (6340, 33482), (12680, 16741)]