2890090.00000000

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{439}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 27211800

約数和(自身を除く): 16588000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 439, 440, 484, 550, 605, 878, 968, 1100, 1210, 1756, 2195, 2200, 2420, 3025, 3512, 4390, 4829, 4840, 6050, 8780, 9658, 10975, 12100, 17560, 19316, 21950, 24145, 24200, 38632, 43900, 48290, 53119, 87800, 96580, 106238, 120725, 193160, 212476, 241450, 265595, 424952, 482900, 531190, 965800, 1062380, 1327975, 2124760, 2655950, 5311900, 10623800]

約数ペア:

[(1, 10623800), (2, 5311900), (4, 2655950), (5, 2124760), (8, 1327975), (10, 1062380), (11, 965800), (20, 531190), (22, 482900), (25, 424952), (40, 265595), (44, 241450), (50, 212476), (55, 193160), (88, 120725), (100, 106238), (110, 96580), (121, 87800), (200, 53119), (220, 48290), (242, 43900), (275, 38632), (439, 24200), (440, 24145), (484, 21950), (550, 19316), (605, 17560), (878, 12100), (968, 10975), (1100, 9658), (1210, 8780), (1756, 6050), (2195, 4840), (2200, 4829), (2420, 4390), (3025, 3512)]