2017395880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{690889}}^1$

素因数の和:690973

約数の個数: 32

約数和(自身を含む): 4601327400

約数和(自身を除く): 2583931520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 690889, 1381778, 2763556, 3454445, 5527112, 6908890, 13817780, 27635560, 50434897, 100869794, 201739588, 252174485, 403479176, 504348970, 1008697940, 2017395880]

約数ペア:

[(1, 2017395880), (2, 1008697940), (4, 504348970), (5, 403479176), (8, 252174485), (10, 201739588), (20, 100869794), (40, 50434897), (73, 27635560), (146, 13817780), (292, 6908890), (365, 5527112), (584, 3454445), (730, 2763556), (1460, 1381778), (2920, 690889)]