209241800

素因数分解:

$2^3\times 5^2\times {\mathrm{401}}^1\times {\mathrm{2609}}^1$

素因数の和:3026

約数の個数: 48

約数和(自身を含む): 487887300

約数和(自身を除く): 278645500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 401, 802, 1604, 2005, 2609, 3208, 4010, 5218, 8020, 10025, 10436, 13045, 16040, 20050, 20872, 26090, 40100, 52180, 65225, 80200, 104360, 130450, 260900, 521800, 1046209, 2092418, 4184836, 5231045, 8369672, 10462090, 20924180, 26155225, 41848360, 52310450, 104620900, 209241800]

約数ペア:

[(1, 209241800), (2, 104620900), (4, 52310450), (5, 41848360), (8, 26155225), (10, 20924180), (20, 10462090), (25, 8369672), (40, 5231045), (50, 4184836), (100, 2092418), (200, 1046209), (401, 521800), (802, 260900), (1604, 130450), (2005, 104360), (2609, 80200), (3208, 65225), (4010, 52180), (5218, 40100), (8020, 26090), (10025, 20872), (10436, 20050), (13045, 16040)]