289705240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28627}}^1$

素因数の和:28672

約数の個数: 64

約数和(自身を含む): 742037760

約数和(自身を除く): 452332520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 28627, 57254, 114508, 143135, 229016, 286270, 314897, 572540, 629794, 658421, 1145080, 1259588, 1316842, 1574485, 2519176, 2633684, 3148970, 3292105, 5267368, 6297940, 6584210, 7242631, 12595880, 13168420, 14485262, 26336840, 28970524, 36213155, 57941048, 72426310, 144852620, 289705240]

約数ペア:

[(1, 289705240), (2, 144852620), (4, 72426310), (5, 57941048), (8, 36213155), (10, 28970524), (11, 26336840), (20, 14485262), (22, 13168420), (23, 12595880), (40, 7242631), (44, 6584210), (46, 6297940), (55, 5267368), (88, 3292105), (92, 3148970), (110, 2633684), (115, 2519176), (184, 1574485), (220, 1316842), (230, 1259588), (253, 1145080), (440, 658421), (460, 629794), (506, 572540), (920, 314897), (1012, 286270), (1265, 229016), (2024, 143135), (2530, 114508), (5060, 57254), (10120, 28627)]