2100031880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{719189}}^1$

素因数の和:719273

約数の個数: 32

約数和(自身を含む): 4789805400

約数和(自身を除く): 2689773520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 719189, 1438378, 2876756, 3595945, 5753512, 7191890, 14383780, 28767560, 52500797, 105001594, 210003188, 262503985, 420006376, 525007970, 1050015940, 2100031880]

約数ペア:

[(1, 2100031880), (2, 1050015940), (4, 525007970), (5, 420006376), (8, 262503985), (10, 210003188), (20, 105001594), (40, 52500797), (73, 28767560), (146, 14383780), (292, 7191890), (365, 5753512), (584, 3595945), (730, 2876756), (1460, 1438378), (2920, 719189)]