2239888900

素因数分解:

$2^2\times 5^2\times {\mathrm{1609}}^1\times {\mathrm{13921}}^1$

素因数の和:15544

約数の個数: 36

約数和(自身を含む): 4863929140

約数和(自身を除く): 2624040240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1609, 3218, 6436, 8045, 13921, 16090, 27842, 32180, 40225, 55684, 69605, 80450, 139210, 160900, 278420, 348025, 696050, 1392100, 22398889, 44797778, 89595556, 111994445, 223988890, 447977780, 559972225, 1119944450, 2239888900]

約数ペア:

[(1, 2239888900), (2, 1119944450), (4, 559972225), (5, 447977780), (10, 223988890), (20, 111994445), (25, 89595556), (50, 44797778), (100, 22398889), (1609, 1392100), (3218, 696050), (6436, 348025), (8045, 278420), (13921, 160900), (16090, 139210), (27842, 80450), (32180, 69605), (40225, 55684)]