208049820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{28657}}^1$

素因数の和:28691

約数の個数: 72

約数和(自身を含む): 640334352

約数和(自身を除く): 432284532

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 28657, 57314, 85971, 114628, 143285, 171942, 286570, 315227, 343884, 429855, 573140, 630454, 859710, 945681, 1260908, 1576135, 1719420, 1891362, 3152270, 3467497, 3782724, 4728405, 6304540, 6934994, 9456810, 10402491, 13869988, 17337485, 18913620, 20804982, 34674970, 41609964, 52012455, 69349940, 104024910, 208049820]

約数ペア:

[(1, 208049820), (2, 104024910), (3, 69349940), (4, 52012455), (5, 41609964), (6, 34674970), (10, 20804982), (11, 18913620), (12, 17337485), (15, 13869988), (20, 10402491), (22, 9456810), (30, 6934994), (33, 6304540), (44, 4728405), (55, 3782724), (60, 3467497), (66, 3152270), (110, 1891362), (121, 1719420), (132, 1576135), (165, 1260908), (220, 945681), (242, 859710), (330, 630454), (363, 573140), (484, 429855), (605, 343884), (660, 315227), (726, 286570), (1210, 171942), (1452, 143285), (1815, 114628), (2420, 85971), (3630, 57314), (7260, 28657)]