131815090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 268894080

約数和(自身を除く): 137078990

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 139, 185, 233, 278, 370, 407, 466, 695, 814, 1165, 1390, 1529, 2035, 2330, 2563, 3058, 4070, 5126, 5143, 7645, 8621, 10286, 12815, 15290, 17242, 25630, 25715, 32387, 43105, 51430, 56573, 64774, 86210, 94831, 113146, 161935, 189662, 282865, 323870, 356257, 474155, 565730, 712514, 948310, 1198319, 1781285, 2396638, 3562570, 5991595, 11983190, 13181509, 26363018, 65907545, 131815090]

約数ペア:

[(1, 131815090), (2, 65907545), (5, 26363018), (10, 13181509), (11, 11983190), (22, 5991595), (37, 3562570), (55, 2396638), (74, 1781285), (110, 1198319), (139, 948310), (185, 712514), (233, 565730), (278, 474155), (370, 356257), (407, 323870), (466, 282865), (695, 189662), (814, 161935), (1165, 113146), (1390, 94831), (1529, 86210), (2035, 64774), (2330, 56573), (2563, 51430), (3058, 43105), (4070, 32387), (5126, 25715), (5143, 25630), (7645, 17242), (8621, 15290), (10286, 12815)]