215331490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 438110208

約数和(自身を除く): 222778718

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 191, 277, 370, 382, 407, 554, 814, 955, 1385, 1910, 2035, 2101, 2770, 3047, 4070, 4202, 6094, 7067, 10249, 10505, 14134, 15235, 20498, 21010, 30470, 35335, 51245, 52907, 70670, 77737, 102490, 105814, 112739, 155474, 225478, 264535, 388685, 529070, 563695, 581977, 777370, 1127390, 1163954, 1957559, 2909885, 3915118, 5819770, 9787795, 19575590, 21533149, 43066298, 107665745, 215331490]

約数ペア:

[(1, 215331490), (2, 107665745), (5, 43066298), (10, 21533149), (11, 19575590), (22, 9787795), (37, 5819770), (55, 3915118), (74, 2909885), (110, 1957559), (185, 1163954), (191, 1127390), (277, 777370), (370, 581977), (382, 563695), (407, 529070), (554, 388685), (814, 264535), (955, 225478), (1385, 155474), (1910, 112739), (2035, 105814), (2101, 102490), (2770, 77737), (3047, 70670), (4070, 52907), (4202, 51245), (6094, 35335), (7067, 30470), (10249, 21010), (10505, 20498), (14134, 15235)]