209524100

素因数分解:

$2^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{7789}}^1$

素因数の和:8072

約数の個数: 36

約数和(自身を含む): 456416100

約数和(自身を除く): 246892000

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 269, 538, 1076, 1345, 2690, 5380, 6725, 7789, 13450, 15578, 26900, 31156, 38945, 77890, 155780, 194725, 389450, 778900, 2095241, 4190482, 8380964, 10476205, 20952410, 41904820, 52381025, 104762050, 209524100]

約数ペア:

[(1, 209524100), (2, 104762050), (4, 52381025), (5, 41904820), (10, 20952410), (20, 10476205), (25, 8380964), (50, 4190482), (100, 2095241), (269, 778900), (538, 389450), (1076, 194725), (1345, 155780), (2690, 77890), (5380, 38945), (6725, 31156), (7789, 26900), (13450, 15578)]