208683880

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 478567440

約数和(自身を除く): 269883560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 137, 226, 274, 337, 452, 548, 565, 674, 685, 904, 1096, 1130, 1348, 1370, 1685, 2260, 2696, 2740, 3370, 4520, 5480, 6740, 13480, 15481, 30962, 38081, 46169, 61924, 76162, 77405, 92338, 123848, 152324, 154810, 184676, 190405, 230845, 304648, 309620, 369352, 380810, 461690, 619240, 761620, 923380, 1523240, 1846760, 5217097, 10434194, 20868388, 26085485, 41736776, 52170970, 104341940, 208683880]

約数ペア:

[(1, 208683880), (2, 104341940), (4, 52170970), (5, 41736776), (8, 26085485), (10, 20868388), (20, 10434194), (40, 5217097), (113, 1846760), (137, 1523240), (226, 923380), (274, 761620), (337, 619240), (452, 461690), (548, 380810), (565, 369352), (674, 309620), (685, 304648), (904, 230845), (1096, 190405), (1130, 184676), (1348, 154810), (1370, 152324), (1685, 123848), (2260, 92338), (2696, 77405), (2740, 76162), (3370, 61924), (4520, 46169), (5480, 38081), (6740, 30962), (13480, 15481)]