257498910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1459}}^1$

素因数の和:1562

約数の個数: 96

約数和(自身を含む): 701045280

約数和(自身を除く): 443546370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 53, 74, 90, 106, 111, 159, 185, 222, 265, 318, 333, 370, 477, 530, 555, 666, 795, 954, 1110, 1459, 1590, 1665, 1961, 2385, 2918, 3330, 3922, 4377, 4770, 5883, 7295, 8754, 9805, 11766, 13131, 14590, 17649, 19610, 21885, 26262, 29415, 35298, 43770, 53983, 58830, 65655, 77327, 88245, 107966, 131310, 154654, 161949, 176490, 231981, 269915, 323898, 386635, 463962, 485847, 539830, 695943, 773270, 809745, 971694, 1159905, 1391886, 1619490, 2319810, 2429235, 2861099, 3479715, 4858470, 5722198, 6959430, 8583297, 14305495, 17166594, 25749891, 28610990, 42916485, 51499782, 85832970, 128749455, 257498910]

約数ペア:

[(1, 257498910), (2, 128749455), (3, 85832970), (5, 51499782), (6, 42916485), (9, 28610990), (10, 25749891), (15, 17166594), (18, 14305495), (30, 8583297), (37, 6959430), (45, 5722198), (53, 4858470), (74, 3479715), (90, 2861099), (106, 2429235), (111, 2319810), (159, 1619490), (185, 1391886), (222, 1159905), (265, 971694), (318, 809745), (333, 773270), (370, 695943), (477, 539830), (530, 485847), (555, 463962), (666, 386635), (795, 323898), (954, 269915), (1110, 231981), (1459, 176490), (1590, 161949), (1665, 154654), (1961, 131310), (2385, 107966), (2918, 88245), (3330, 77327), (3922, 65655), (4377, 58830), (4770, 53983), (5883, 43770), (7295, 35298), (8754, 29415), (9805, 26262), (11766, 21885), (13131, 19610), (14590, 17649)]